質問編集履歴
1
質問内容の変更、添削
test
CHANGED
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@@ -1 +1 @@
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-
チャットプログラムの
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1
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チャットプログラムの警告について
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test
CHANGED
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@@ -1,4 +1,236 @@
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```java
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import java.util.*;
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public class chatsev
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{
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static final int Portnum=12345;
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static ServerSocket svSocket;
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static Vector connections;
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public static void sendAll(String s){
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if(connections !=null){
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for(Enumeration e =connections.elements();
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e.hasMoreElements();){
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try{
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PrintWriter out = new PrintWriter(
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((Socket)e.nextElement()).getOutputStream());
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out.println(s);
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out.flush();
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}catch(IOException ex){}
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}
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}
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System.out.println(s);
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}
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public static void addConnection(Socket s){
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if(connections == null){
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connections = new Vector();
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}
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connections.addElement(s);
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}
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public static void deleteConnection(Socket s){
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if(connections != null){
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connections.removeElement(s);
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}
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}
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public static void main(String[] arg){
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try{
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svSocket =new ServerSocket(Portnum);
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}catch (IOException e){
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System.err.println(e);
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System.exit(1);
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}
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while(true){
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try{
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Socket cs =svSocket.accept();
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addConnection(cs);
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Thread ct =new Thread(new clientProc(cs));
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ct.start();
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}catch (IOException e){
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System.err.println(e);
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}
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}
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}
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}
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class clientProc implements Runnable{
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138
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139
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Socket s;
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BufferedReader in;
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PrintWriter out;
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String name =null;
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public clientProc(Socket s) throws IOException{
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this.s=s;
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in=new BufferedReader(new InputStreamReader(s.getInputStream()));
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out = new PrintWriter(s.getOutputStream());
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}
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public void run(){
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170
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try{
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while (name ==null){
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name = in.readLine();
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179
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180
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181
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}
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182
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183
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184
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185
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chatsev.sendAll("::"+name+"さんが入室しました");
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187
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189
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String line =in.readLine();
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190
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191
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while(!"logout".equals(line)){
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192
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193
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194
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195
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chatsev.sendAll(name +">"+line);
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197
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line =in.readLine();
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198
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199
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}
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200
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201
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202
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203
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chatsev.sendAll("::"+name+"さんが退室しました");
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204
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205
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chatsev.deleteConnection(s);
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207
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s.close();
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208
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209
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210
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211
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}catch (IOException e){
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212
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213
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try{
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214
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215
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s.close();
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216
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217
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}catch (IOException e2){}
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218
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219
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220
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221
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}
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222
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223
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224
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225
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}
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226
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+
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227
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228
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229
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230
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231
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}
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232
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+
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1
|
-
書籍を参考にチャットのサンプルプログラムを動かそうとしたのですが、
|
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233
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+
```書籍を参考にチャットのサンプルプログラムを動かそうとしたのですが、
|
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2
234
|
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3
235
|
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4
236
|
|
|
@@ -68,245 +300,7 @@
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68
300
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69
301
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70
302
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71
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-
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303
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+
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72
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-
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73
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-
チャットサーバーサンプルコード
|
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74
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-
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75
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-
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76
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-
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|
77
|
-
import java.io.*;
|
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78
|
-
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79
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-
import java.net.*;
|
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80
|
-
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81
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-
import java.util.*;
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82
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-
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83
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-
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84
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85
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public class chatsev
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86
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-
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87
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{
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88
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89
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static final int Portnum=12345;
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90
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-
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91
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92
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93
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static ServerSocket svSocket;
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94
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-
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95
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static Vector connections;
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96
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-
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97
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-
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98
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99
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public static void sendAll(String s){
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100
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-
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101
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-
if(connections !=null){
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102
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-
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103
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-
for(Enumeration e =connections.elements();
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104
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105
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e.hasMoreElements();){
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106
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-
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107
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try{
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108
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109
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PrintWriter out = new PrintWriter(
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110
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111
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((Socket)e.nextElement()).getOutputStream());
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112
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113
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out.println(s);
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114
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115
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out.flush();
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116
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-
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117
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}catch(IOException ex){}
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118
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119
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-
}
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120
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-
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121
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}
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122
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123
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System.out.println(s);
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125
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126
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127
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}
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128
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-
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129
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130
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-
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131
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public static void addConnection(Socket s){
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132
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133
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if(connections == null){
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135
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connections = new Vector();
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136
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137
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}
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138
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139
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connections.addElement(s);
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140
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141
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}
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142
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143
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144
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145
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public static void deleteConnection(Socket s){
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146
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147
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if(connections != null){
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148
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149
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connections.removeElement(s);
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150
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151
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}
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152
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153
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}
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154
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155
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156
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157
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public static void main(String[] arg){
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158
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159
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try{
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160
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161
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svSocket =new ServerSocket(Portnum);
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162
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163
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}catch (IOException e){
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164
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165
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System.err.println(e);
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166
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-
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167
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System.exit(1);
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168
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169
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}
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170
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171
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172
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173
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while(true){
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174
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175
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try{
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176
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177
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Socket cs =svSocket.accept();
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178
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179
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addConnection(cs);
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180
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181
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182
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183
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Thread ct =new Thread(new clientProc(cs));
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184
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185
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ct.start();
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186
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-
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187
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188
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189
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}catch (IOException e){
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190
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-
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191
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System.err.println(e);
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192
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-
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193
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}
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194
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-
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195
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196
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197
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}
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198
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-
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199
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200
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-
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201
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202
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203
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}
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204
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-
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205
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-
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206
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-
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|
207
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}
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208
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-
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209
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-
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210
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-
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211
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class clientProc implements Runnable{
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212
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-
|
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213
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-
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214
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-
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215
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-
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216
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217
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Socket s;
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218
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-
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219
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-
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220
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-
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221
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BufferedReader in;
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222
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-
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223
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PrintWriter out;
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224
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-
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225
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String name =null;
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226
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-
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227
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228
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-
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229
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public clientProc(Socket s) throws IOException{
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230
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-
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231
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this.s=s;
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232
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-
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233
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in=new BufferedReader(new InputStreamReader(s.getInputStream()));
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234
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-
|
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235
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out = new PrintWriter(s.getOutputStream());
|
|
236
|
-
|
|
237
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-
}
|
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238
|
-
|
|
239
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-
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|
240
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-
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|
241
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-
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242
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-
|
|
243
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-
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|
244
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-
|
|
245
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public void run(){
|
|
246
|
-
|
|
247
|
-
|
|
248
|
-
|
|
249
|
-
try{
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|
250
|
-
|
|
251
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-
while (name ==null){
|
|
252
|
-
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|
253
|
-
name = in.readLine();
|
|
254
|
-
|
|
255
|
-
|
|
256
|
-
|
|
257
|
-
}
|
|
258
|
-
|
|
259
|
-
|
|
260
|
-
|
|
261
|
-
chatsev.sendAll("::"+name+"さんが入室しました");
|
|
262
|
-
|
|
263
|
-
|
|
264
|
-
|
|
265
|
-
String line =in.readLine();
|
|
266
|
-
|
|
267
|
-
while(!"logout".equals(line)){
|
|
268
|
-
|
|
269
|
-
|
|
270
|
-
|
|
271
|
-
chatsev.sendAll(name +">"+line);
|
|
272
|
-
|
|
273
|
-
line =in.readLine();
|
|
274
|
-
|
|
275
|
-
}
|
|
276
|
-
|
|
277
|
-
|
|
278
|
-
|
|
279
|
-
chatsev.sendAll("::"+name+"さんが退室しました");
|
|
280
|
-
|
|
281
|
-
chatsev.deleteConnection(s);
|
|
282
|
-
|
|
283
|
-
s.close();
|
|
284
|
-
|
|
285
|
-
|
|
286
|
-
|
|
287
|
-
}catch (IOException e){
|
|
288
|
-
|
|
289
|
-
try{
|
|
290
|
-
|
|
291
|
-
s.close();
|
|
292
|
-
|
|
293
|
-
}catch (IOException e2){}
|
|
294
|
-
|
|
295
|
-
|
|
296
|
-
|
|
297
|
-
}
|
|
298
|
-
|
|
299
|
-
|
|
300
|
-
|
|
301
|
-
}
|
|
302
|
-
|
|
303
|
-
|
|
304
|
-
|
|
305
|
-
|
|
306
|
-
|
|
307
|
-
}
|
|
308
|
-
|
|
309
|
-
|
|
310
304
|
|
|
311
305
|
|
|
312
306
|
|