java 方法重载

Posted 2022-07-04 DQ_CODING

概念

代码

package lesson.l10_oop;

/**
 * Illustration
 *
 * @author DengQing
 * @version 1.0
 * @datetime 2022/7/1 14:31
 * @function 方法重载
 */
public class Load 
    public static void main(String[] args) 
        Load load = new Load();
        load.mOL(4);
        load.mOL(4, 5);
        load.mOL("ff");

        System.out.println(load.max(1, 3));
        System.out.println(load.max(-1, -3));
        System.out.println(load.max(0, 10, -10));
    

    //    运算
    public void mOL(int a) 
        System.out.println(Math.sqrt(a));
    

    public void mOL(int a, int b) 
        System.out.println(a * b);
    

    public void mOL(String str) 
        System.out.println(str);
    

    //    最大值
    public int max(int a, int b) 
        return Math.max(a, b);
    

    public double max(double a, double b) 
        return Math.max(a, b);
    

    public double max(double a, double b, double c) 
        double m = Math.max(a, b);
        return Math.max(m, c);