回答編集履歴
3
バグっぽい"+1"を削除
answer
CHANGED
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@@ -78,7 +78,7 @@
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78
78
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} catch(InterruptedException e) {
|
|
79
79
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e.printStackTrace();
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|
80
80
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}
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|
81
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-
return new Point((int)(Math.random()*8)
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81
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+
return new Point((int)(Math.random()*8), (int)(Math.random()*8));
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|
82
82
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}
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83
83
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}
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84
84
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class Client implements Runnable {
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@@ -113,7 +113,7 @@
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113
113
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} catch(InterruptedException e) {
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114
114
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e.printStackTrace();
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115
115
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}
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116
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-
return new Point((int)(Math.random()*8)
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116
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+
return new Point((int)(Math.random()*8), (int)(Math.random()*8));
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117
117
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}
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118
118
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}
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119
119
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```
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2
run の中をスッキリ
answer
CHANGED
|
@@ -1,84 +1,143 @@
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1
1
|
このようなコードで試せます.
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2
2
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(無限ループなので, テキトウに止めてください.)
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3
3
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```java
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|
4
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+
package teratail.q246663;
|
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5
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+
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4
6
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import java.io.*;
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5
7
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import java.net.*;
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6
8
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7
9
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public class ReversiCommunicationTest {
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10
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+
public static final int PORT = 12345;
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8
11
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public static void main(String[] args) {
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9
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-
new Thread(new Server()).start();
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12
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+
new Thread(new Server(PORT)).start();
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10
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-
new Client().run();
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13
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+
new Client("127.0.0.1", PORT).run();
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11
14
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}
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15
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+
}
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16
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+
class Point {
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17
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+
final int col, row;
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18
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+
Point(int col, int row) { this.col = col; this.row = row; }
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19
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+
@Override
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20
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+
public String toString() {
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21
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+
return super.toString()+"[col="+col+",row="+row+"]";
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22
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+
}
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23
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+
}
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24
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+
class Communicator implements AutoCloseable {
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25
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+
private BufferedReader reader;
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26
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+
private PrintWriter out;
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27
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+
Communicator(Socket s) throws IOException {
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28
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+
try {
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29
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+
reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
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30
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+
out = new PrintWriter(s.getOutputStream(), true);
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31
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+
} catch(IOException e) {
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32
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+
close();
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33
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+
}
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34
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+
}
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|
35
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+
void send(Point point) throws IOException {
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36
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+
out.println(point.col+","+point.row);
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37
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+
}
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|
38
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+
Point receive() throws IOException {
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39
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+
String line = reader.readLine();
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40
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+
if(line == null) return null;
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41
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+
String[] tokens = line.split(",");
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42
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+
return new Point(Integer.parseInt(tokens[0]), Integer.parseInt(tokens[1]));
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43
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+
}
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44
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+
@Override
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45
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+
public void close() throws IOException {
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46
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+
if(out == null) { out.close(); out = null; }
|
|
47
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+
if(reader == null) { reader.close(); reader = null; }
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|
48
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+
}
|
|
49
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+
}
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|
50
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+
class Server implements Runnable {
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51
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+
private int port;
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52
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+
Server(int port) {
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53
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+
this.port = port;
|
|
54
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+
}
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55
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+
@Override
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|
56
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+
public void run() {
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57
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+
try (ServerSocket ss = new ServerSocket(port);
|
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58
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+
Communicator comm = new Communicator(ss.accept());) {
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12
59
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|
|
13
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-
static class Server implements Runnable {
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14
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-
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|
60
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+
Point point = null;
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61
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+
while(true) {
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15
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-
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62
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+
System.out.println("Server: 考え中");
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16
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-
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63
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+
point = thinking();
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17
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-
BufferedReader reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
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18
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-
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64
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+
System.out.println("Server: 送信="+point);
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65
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+
comm.send(point);
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19
66
|
|
|
20
|
-
while(true) {
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21
|
-
{
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22
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-
try {
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23
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-
System.out.println("Server: 考え中");
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24
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-
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
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25
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-
} catch(InterruptedException e) {
|
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26
|
-
e.printStackTrace();
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|
27
|
-
}
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|
28
|
-
int col = (int)(Math.random()*8)+1;
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|
29
|
-
int row = (int)(Math.random()*8)+1;
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|
30
|
-
out.println(col+","+row);
|
|
31
|
-
System.out.println("Server: 送信="+col+","+row);
|
|
32
|
-
}
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|
33
|
-
|
|
34
|
-
{
|
|
35
|
-
|
|
67
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+
System.out.println("Server: 受信待ち");
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|
36
|
-
|
|
68
|
+
point = comm.receive();
|
|
37
|
-
if(line == null) break;
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|
38
|
-
String[] tokens = line.split(",");
|
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39
|
-
int col = Integer.parseInt(tokens[0]);
|
|
40
|
-
int row = Integer.parseInt(tokens[1]);
|
|
41
|
-
|
|
69
|
+
System.out.println("Server: 受信="+point);
|
|
42
|
-
}
|
|
43
|
-
}
|
|
44
|
-
} catch(IOException e) {
|
|
45
|
-
e.printStackTrace();
|
|
46
70
|
}
|
|
71
|
+
} catch(IOException e) {
|
|
72
|
+
e.printStackTrace();
|
|
47
73
|
}
|
|
48
74
|
}
|
|
75
|
+
private Point thinking() {
|
|
76
|
+
try {
|
|
77
|
+
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
|
|
78
|
+
} catch(InterruptedException e) {
|
|
79
|
+
e.printStackTrace();
|
|
80
|
+
}
|
|
81
|
+
return new Point((int)(Math.random()*8)+1, (int)(Math.random()*8)+1);
|
|
82
|
+
}
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83
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+
}
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49
|
-
|
|
84
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+
class Client implements Runnable {
|
|
85
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+
private String host;
|
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86
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+
private int port;
|
|
87
|
+
Client(String host, int port) {
|
|
88
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+
this.host = host;
|
|
89
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+
this.port = port;
|
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90
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+
}
|
|
91
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+
@Override
|
|
50
|
-
|
|
92
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+
public void run() {
|
|
51
|
-
try (Socket s = new Socket("127.0.0.1", 12345);
|
|
52
|
-
BufferedReader reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
53
|
-
|
|
93
|
+
try (Communicator comm = new Communicator(new Socket(host, port));) {
|
|
54
|
-
while(true) {
|
|
55
|
-
{
|
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56
|
-
System.out.println("Client: 受信待ち");
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57
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-
String line = reader.readLine();
|
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58
|
-
if(line == null) break;
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59
|
-
String[] tokens = line.split(",");
|
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60
|
-
int col = Integer.parseInt(tokens[0]);
|
|
61
|
-
int row = Integer.parseInt(tokens[1]);
|
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62
|
-
System.out.println("Client: 受信="+col+","+row);
|
|
63
|
-
}
|
|
64
94
|
|
|
65
|
-
|
|
95
|
+
Point point = null;
|
|
66
|
-
|
|
96
|
+
while(true) {
|
|
97
|
+
System.out.println("Client: 受信待ち");
|
|
98
|
+
point = comm.receive();
|
|
99
|
+
System.out.println("Client: 受信="+point);
|
|
100
|
+
|
|
67
|
-
|
|
101
|
+
System.out.println("Client: 考え中");
|
|
68
|
-
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
|
|
69
|
-
} catch(InterruptedException e) {
|
|
70
|
-
|
|
102
|
+
point = thinking();
|
|
71
|
-
}
|
|
72
|
-
int col = (int)(Math.random()*8)+1;
|
|
73
|
-
int row = (int)(Math.random()*8)+1;
|
|
74
|
-
out.println(col+","+row);
|
|
75
|
-
|
|
103
|
+
System.out.println("Client: 送信="+point);
|
|
76
|
-
}
|
|
77
|
-
}
|
|
78
|
-
|
|
104
|
+
comm.send(point);
|
|
79
|
-
e.printStackTrace();
|
|
80
105
|
}
|
|
106
|
+
} catch(IOException e) {
|
|
107
|
+
e.printStackTrace();
|
|
81
108
|
}
|
|
82
109
|
}
|
|
110
|
+
private Point thinking() {
|
|
111
|
+
try {
|
|
112
|
+
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
|
|
113
|
+
} catch(InterruptedException e) {
|
|
114
|
+
e.printStackTrace();
|
|
115
|
+
}
|
|
116
|
+
return new Point((int)(Math.random()*8)+1, (int)(Math.random()*8)+1);
|
|
117
|
+
}
|
|
83
118
|
}
|
|
119
|
+
```
|
|
120
|
+
```plain text
|
|
121
|
+
Client: 受信待ち
|
|
122
|
+
Server: 考え中
|
|
123
|
+
Server: 送信=teratail.q246663.ReversiCommunicationTest$Point@334495b1[col=3,row=2]
|
|
124
|
+
Server: 受信待ち
|
|
125
|
+
Client: 受信=teratail.q246663.ReversiCommunicationTest$Point@7852e922[col=3,row=2]
|
|
126
|
+
Client: 考え中
|
|
127
|
+
Client: 送信=teratail.q246663.ReversiCommunicationTest$Point@4e25154f[col=5,row=8]
|
|
128
|
+
Client: 受信待ち
|
|
129
|
+
Server: 受信=teratail.q246663.ReversiCommunicationTest$Point@76460dbd[col=5,row=8]
|
|
130
|
+
Server: 考え中
|
|
131
|
+
Server: 送信=teratail.q246663.ReversiCommunicationTest$Point@28d2af42[col=1,row=7]
|
|
132
|
+
Server: 受信待ち
|
|
133
|
+
Client: 受信=teratail.q246663.ReversiCommunicationTest$Point@70dea4e[col=1,row=7]
|
|
134
|
+
Client: 考え中
|
|
135
|
+
Client: 送信=teratail.q246663.ReversiCommunicationTest$Point@5c647e05[col=4,row=3]
|
|
136
|
+
Client: 受信待ち
|
|
137
|
+
Server: 受信=teratail.q246663.ReversiCommunicationTest$Point@47fadae9[col=4,row=3]
|
|
138
|
+
Server: 考え中
|
|
139
|
+
Server: 送信=teratail.q246663.ReversiCommunicationTest$Point@508426ba[col=3,row=8]
|
|
140
|
+
Server: 受信待ち
|
|
141
|
+
:
|
|
142
|
+
:
|
|
84
143
|
```
|
1
try-catchまとめと追記
answer
CHANGED
|
@@ -1,4 +1,5 @@
|
|
|
1
1
|
このようなコードで試せます.
|
|
2
|
+
(無限ループなので, テキトウに止めてください.)
|
|
2
3
|
```java
|
|
3
4
|
import java.io.*;
|
|
4
5
|
import java.net.*;
|
|
@@ -11,34 +12,33 @@
|
|
|
11
12
|
|
|
12
13
|
static class Server implements Runnable {
|
|
13
14
|
public void run() {
|
|
14
|
-
try (ServerSocket ss = new ServerSocket(12345);
|
|
15
|
+
try (ServerSocket ss = new ServerSocket(12345);
|
|
15
|
-
|
|
16
|
+
Socket s = ss.accept();
|
|
16
|
-
|
|
17
|
+
BufferedReader reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
17
|
-
|
|
18
|
+
PrintWriter out = new PrintWriter(s.getOutputStream(), true);) {
|
|
18
19
|
|
|
19
|
-
|
|
20
|
+
while(true) {
|
|
20
|
-
|
|
21
|
+
{
|
|
21
|
-
|
|
22
|
+
try {
|
|
22
|
-
|
|
23
|
+
System.out.println("Server: 考え中");
|
|
23
|
-
|
|
24
|
+
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
|
|
24
|
-
|
|
25
|
+
} catch(InterruptedException e) {
|
|
25
|
-
|
|
26
|
+
e.printStackTrace();
|
|
26
|
-
}
|
|
27
|
-
int col = (int)(Math.random()*8)+1;
|
|
28
|
-
int row = (int)(Math.random()*8)+1;
|
|
29
|
-
out.println(col+","+row);
|
|
30
|
-
System.out.println("Server: 送信="+col+","+row);
|
|
31
27
|
}
|
|
28
|
+
int col = (int)(Math.random()*8)+1;
|
|
29
|
+
int row = (int)(Math.random()*8)+1;
|
|
30
|
+
out.println(col+","+row);
|
|
31
|
+
System.out.println("Server: 送信="+col+","+row);
|
|
32
|
+
}
|
|
32
33
|
|
|
33
|
-
|
|
34
|
+
{
|
|
34
|
-
|
|
35
|
+
System.out.println("Server: 受信待ち");
|
|
35
|
-
|
|
36
|
+
String line = reader.readLine();
|
|
36
|
-
|
|
37
|
+
if(line == null) break;
|
|
37
|
-
|
|
38
|
+
String[] tokens = line.split(",");
|
|
38
|
-
|
|
39
|
+
int col = Integer.parseInt(tokens[0]);
|
|
39
|
-
|
|
40
|
+
int row = Integer.parseInt(tokens[1]);
|
|
40
|
-
|
|
41
|
+
System.out.println("Server: 受信="+col+","+row);
|
|
41
|
-
}
|
|
42
42
|
}
|
|
43
43
|
}
|
|
44
44
|
} catch(IOException e) {
|
|
@@ -48,32 +48,31 @@
|
|
|
48
48
|
}
|
|
49
49
|
static class Client implements Runnable {
|
|
50
50
|
public void run() {
|
|
51
|
-
try (Socket s = new Socket("127.0.0.1", 12345);
|
|
51
|
+
try (Socket s = new Socket("127.0.0.1", 12345);
|
|
52
|
-
|
|
52
|
+
BufferedReader reader = new BufferedReader(new InputStreamReader(s.getInputStream()));
|
|
53
|
-
|
|
53
|
+
PrintWriter out = new PrintWriter(s.getOutputStream(), true);) {
|
|
54
|
-
|
|
54
|
+
while(true) {
|
|
55
|
-
|
|
55
|
+
{
|
|
56
|
-
|
|
56
|
+
System.out.println("Client: 受信待ち");
|
|
57
|
-
|
|
57
|
+
String line = reader.readLine();
|
|
58
|
-
|
|
58
|
+
if(line == null) break;
|
|
59
|
-
|
|
59
|
+
String[] tokens = line.split(",");
|
|
60
|
-
|
|
60
|
+
int col = Integer.parseInt(tokens[0]);
|
|
61
|
-
|
|
61
|
+
int row = Integer.parseInt(tokens[1]);
|
|
62
|
-
|
|
62
|
+
System.out.println("Client: 受信="+col+","+row);
|
|
63
|
-
|
|
63
|
+
}
|
|
64
64
|
|
|
65
|
-
|
|
65
|
+
{
|
|
66
|
-
|
|
66
|
+
try {
|
|
67
|
-
|
|
67
|
+
System.out.println("Client: 考え中");
|
|
68
|
-
|
|
68
|
+
Thread.sleep((long)(Math.random()*3000)+2000); //[ms]
|
|
69
|
-
|
|
69
|
+
} catch(InterruptedException e) {
|
|
70
|
-
|
|
70
|
+
e.printStackTrace();
|
|
71
|
-
}
|
|
72
|
-
int col = (int)(Math.random()*8)+1;
|
|
73
|
-
int row = (int)(Math.random()*8)+1;
|
|
74
|
-
out.println(col+","+row);
|
|
75
|
-
System.out.println("Client: 送信="+col+","+row);
|
|
76
71
|
}
|
|
72
|
+
int col = (int)(Math.random()*8)+1;
|
|
73
|
+
int row = (int)(Math.random()*8)+1;
|
|
74
|
+
out.println(col+","+row);
|
|
75
|
+
System.out.println("Client: 送信="+col+","+row);
|
|
77
76
|
}
|
|
78
77
|
}
|
|
79
78
|
} catch(IOException e) {
|