[java]变量的初始化

1,默认初始化

2,显示初始化

3,构造初始化

package com.ma.demo5;public class Demo {String name = "紫霞仙子";int age = 18;public Demo(String name, int age) {this.name = name;this.age = age;}public void show() {System.out.println(this.name + "   " + this.age);}}

package com.ma.demo5;public class Test {public static void main(String[] args) {Demo dd = new Demo("思美人", 22);dd.show();}}