彭晓相

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对象数组

/*
* 选一个数组,用来存储三个Person对象
*
*
* */
public class Demo01Array {
    public static void main(String[] args) {
        //首先创建一个长度为3的数组,里面用来存放Person类型的对象
        Person[] array= new Person[3];

        Person one = new Person("迪丽热巴",18);
        Person two = new Person("古力娜扎",20);
        Person three =new Person("马尔扎哈",38);

// 将one当中的地址值赋值到数组的0号元素位置


        array[0]=one;
        array[1]=two;
        array[2]=three;

        System.out.println(array[0]);//地址值
        System.out.println(array[1]);//地址值
        System.out.println(array[2]);//地址值

        System.out.println(array[2].getName());

        System.out.println(array[0].getName());
    }

}

  

package demo04;

public class Person {

    private String name;

    private int age;

    public Person() {
    }

    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

  

posted on 2020-08-24 21:48  彭晓相  阅读(65)  评论(0编辑  收藏  举报