执行语句没问题啊 为什么点提交就错了??
public class HelloWorld{
public static void main(String[] args) {
int a=12;
int b=24;
int sun=a+b;
System.out.println("两数之和为:"+sum);
}
}
public class HelloWorld{
public static void main(String[] args) {
int a=12;
int b=24;
int sun=a+b;
System.out.println("两数之和为:"+sum);
}
}
2017-09-12
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