写完了java代码以后，并没有出现语法错误，可是就是不能运行。显示出来一个提示对话框:'文件名' java程序，为什么语法显示没有错误运行就出现下面的啊
\u521a\u7f16\u7684java\u7a0b\u5e8f\uff0c\u5728eclipse\u91cc\u6ca1\u6709\u663e\u793a\u8bed\u6cd5\u9519\u8bef\uff0c\u53ef\u662f\u5c31\u662f\u8fd0\u884c\u4e0d\u4e86\u8fd9\u4e2a\u662f\u6539\u540e\u7684\u7c7b
class Operate {
private static int jishu1 = 0;
private static int jishu2 = 0;
private String a;
public Operate(String a) {
this.a = a;
for (int i = 0; i < a.length(); i++) {
if (a.charAt(i) == 'n') {
jishu1++;
}
if (a.charAt(i) == 'o') {
jishu2++;
}
}
}
public int getJiShu1() {
return jishu1;
}
public int getJiShu2() {
return jishu2;
}
}
\u4f60\u7684\u9519\u8bef\u5728\u4e8eprivate char b[]=a.toCharArray();\u8fd9\u53e5\u3002\u5728\u6570\u7ec4b\u91cc\u9762\u5b58\u653e\u7684\u77e5\u8bc6a\u7684\u5730\u5740\u800c\u5df2\u3002
\u76f8\u5f53\u4e8e\u5bf9\u4e8e\u6570\u7ec4b\u6839\u672c\u8fd8\u6ca1\u6709\u5b9a\u4e49\u3002\u6240\u4ee5\u62a5\u9519
java\u4e2d\u7684\u8bed\u6cd5\u662f\u6307java\u4e2d\u7684\u89c4\u5219\uff0c\u5373java\u7684\u547d\u540d\u89c4\u5219\uff1a \u5305\u7684\u547d\u540d \uff08\u5168\u90e8\u5c0f\u5199\uff0c\u7531\u57df\u540d\u5b9a\u4e49\uff09 Java\u5305\u7684\u540d\u5b57\u90fd\u662f\u7531\u5c0f\u5199\u5355\u8bcd\u7ec4\u6210\u3002\u4f46\u662f\u7531\u4e8eJava\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u7279\u6027\uff0c\u6bcf\u4e00\u540dJava\u7a0b\u5e8f\u5458\u90fd \u53ef\u4ee5\u7f16\u5199\u5c5e\u4e8e\u81ea\u5df1\u7684Java\u5305\uff0c\u4e3a\u4e86\u4fdd\u969c\u6bcf\u4e2aJava\u5305\u547d\u540d\u7684\u552f\u4e00\u6027\uff0c\u5728
java\u7a0b\u5e8f\\u8bed\u6cd5
java\u4e2d\u7684\u8bed\u6cd5\u662f\u6307java\u4e2d\u7684\u89c4\u5219\uff0c\u5373java\u7684\u547d\u540d\u89c4\u5219\uff1a \u5305\u7684\u547d\u540d \uff08\u5168\u90e8\u5c0f\u5199\uff0c\u7531\u57df\u540d\u5b9a\u4e49\uff09 Java\u5305\u7684\u540d\u5b57\u90fd\u662f\u7531\u5c0f\u5199\u5355\u8bcd\u7ec4\u6210\u3002\u4f46\u662f\u7531\u4e8eJava\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u7279\u6027\uff0c\u6bcf\u4e00\u540dJava\u7a0b\u5e8f\u5458\u90fd \u53ef\u4ee5\u7f16\u5199\u5c5e\u4e8e\u81ea\u5df1\u7684Java\u5305\uff0c\u4e3a\u4e86\u4fdd\u969c\u6bcf\u4e2aJava\u5305\u547d\u540d\u7684\u552f\u4e00\u6027\uff0c\u5728
http://jingyan.baidu.com/article/d45ad148880ca769552b8009.html
配置jdk即可
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