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package Demo;

/**

* ClassName: reload

* Package: Demo

* Description:练习方法的重载；看注释！！！等不及要理解main方法到底是为何如此声明了！！！

*

* @Author vvvvain

* @Create 2023/8/5 22:39

* @Version 1.0

*/

public class mOL{

public int fun(int a) {

return a * a;

}

public int fun(int a,int b){

return a*b;

}

public void fun(String a){

System.out.println(a);

}

public static void main(String[] args){

int value;

mOL x = new mOL(); //说明：1.如果不new一个对象，会出先诸如“无法从静态上下文引用非静态变量”；2.另解：直接在main函数外调用非静态方法和变量

value = x.fun(2);

System.out.println(value);

value = x.fun(2,3);

System.out.println(value);

x.fun("Hello~");

}

}