对象数组

动态初始化

public class ArrayDemo{
    public static void main(String[] args){
        Person[] per = new Person[3];
        per[0] = new Person("张三", 1);
        per[1] = new Person("李四", 2);
        per[2] = new Person("王五", 3);
        for(int x = 0;x

静态初始化

public class ArrayDemo{
    public static void main(String[] args){
    Person[] per = new Person[]{
        new Person("张三", 1),
        new Person("李四",2),
        // new Person("王五", 3),//逗号加与不加都可以
        new Person("王五", 3)
    };
    for(int x= 0;x