回答編集履歴
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追記
answer
CHANGED
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@@ -1,4 +1,40 @@
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1
1
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何がしたいのでしょう？
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2
2
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文字列(string)と整数0とは比較できません。
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3
3
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あと、打ちミス？・・・大文字と小文字は区別されますｄ＾＾
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4
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system.out.println( "try again") ; → System.out.println( "try again") ;
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4
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system.out.println( "try again") ; → System.out.println( "try again") ;
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5
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「追記」
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6
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これで合ってる？
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7
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```java
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8
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public static void main(String[] args) {
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9
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int imageNum;
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10
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String buf;
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11
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try {
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12
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BufferedReader br
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= new BufferedReader(new InputStreamReader(System.in));
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buf = br.readLine();
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15
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imageNum = Integer.parseInt(buf);
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16
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// if (buf > 0) {
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if (imageNum > 0) {
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// imageNum = Integer.parseInt(buf);
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19
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System.out.print("<HTML>\n");
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System.out.print("<HEAD><TITLE>A Test Page</TITLE></HEAD>\n");
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System.out.print("<BODY>\n");
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System.out.print("This is image " + imageNum + "<BR>\n");
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System.out.print("<IMG SRC=\"" + imageNum + ".jpg\"><BR>\n");
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25
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if (imageNum == 9) {
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26
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System.out.print("No next image.<BR>\n");
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27
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} else {
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28
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System.out.print("Next is " + (imageNum + 1) + "<BR>\n");
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29
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}
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30
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// } else if (buf < 0) {
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31
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} else if (imageNum < 0) {
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32
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System.out.println("try again");
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33
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}
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34
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System.out.print("</BODY>\n");
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35
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System.out.print("</HTML>\n");
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36
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} catch (IOException | NumberFormatException e) {
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37
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System.out.print("Error:" + e);
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38
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}
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39
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}
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40
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```
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