字符常量和变量的区别 - wangchunmei

class A{
 public void test(){
 int a=10;
        int b=20;
        System.out.println(\'a\');
        System.out.println(\'b\');
        System.out.println(a);
        System.out.println(b);
}
}
public class ZiFu{
 public static void main(String arg[]){
 A a=new A();
 a.test();
}
}