public class TestSuperSub{
public int test(){
System.out.println("test1");
return 2;
}
public void test(int a){
System.out.println("test2");
}
//以下两个参数类型顺序不同
public String test(int a,String s){
System.out.println("test3");
return "returntest3";
}
public String test(String s,int a){
System.out.println("test4");
return "returntest4";
}
public static void main(String[] args){
TestSuperSub o = new TestSuperSub();
System.out.println(o.test());
o.test(1);
System.out.println(o.test(1,"test3"));
System.out.println(o.test("test4",1));
}
}
结果:test1
2
test2
test3
returntest3
test4
returntest4
提问:为什么会有return值“2”“returntest3”“returntest4”返回??