一、代碼如下

package www.wujianbotwo;public class Demo3 {int age;int height;int weight;private String name;static String nation;private double salary;public static void main(String[] args) {// TODO Auto-generated method stubDemo3[] de= new Demo3[4];Demo3 demo1= new Demo3();Demo3 demo2= new Demo3(34, 44);Demo3 demo3= new Demo3(33, 22, 55);de[0]= demo1;de[1]= demo2;de[2]= demo3;for(int i=0; i<de.length; i++) {System.out.println(de[i]);}System.out.println(demo2.getAge());}public Demo3() {// TODO Auto-generated constructor stub}public Demo3(int age, int height) {// TODO Auto-generated constructor stubthis.age= age;this.height= height;}public Demo3(int age, int height, double salary) {// TODO Auto-generated constructor stubthis.age= age;this.height= height;this.salary= salary;}public int getAge() {return age;}}

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轉載于:https://www.cnblogs.com/wujianbo123/p/7491953.html

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