public class TestException5 {
public static void main(String[] args) {
int a=3;
int b=0;
try{
if(b==0)throw new ArithmeticException( );
System.out.println('a/b的值是：+a/b');
}
catch(ArithmeticException e){
System.out.println('程序异常，b不能是0');
}
System.out.println('运行结束');
}
}
运行时报下面的异常
=====================================================================
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Invalid character constant
at gu.com.TestException5.main(TestException5.java:9)
==================================
Invalid character constant 无效的字符常量
超低级的错误，输出的括号内应该用双引号
