Java数组

class Person_2{
private String name;
public Person_2(String name){
this.name = name;
}

public String getName(){
return this.name;
}
}

public class array_2 {

public static void main(String[] args) {
// TODO 自动生成的方法存根
//		Person_2 per[] = new Person_2[3];
Person_2 per[] = {new Person_2("zhangsan"),new Person_2("lisi"),new Person_2("wangwu")};
System.out.println("-------before-------");
for (int i=0;i<per.length;i++){
System.out.println(per[i]);
}
//		per[0]=new Person_2("zhangsan");
//		per[1]=new Person_2("lisi");
//		per[2]=new Person_2("wangwu");
for (int i=0;i<per.length;i++){
System.out.println(per[i].getName());
}
}

}

class Person_2{
private String name;
public Person_2(String name){
this.name = name;
}

public String getName(){
return this.name;
}
}

public class array_2 {

public static void main(String[] args) {
// TODO 自动生成的方法存根
Person_2 per[] = new Person_2[3];

System.out.println("-------before-------");
for (int i=0;i<per.length;i++){
System.out.println(per[i]);
}
per[0]=new Person_2("zhangsan");
per[1]=new Person_2("lisi");
per[2]=new Person_2("wangwu");
for (int i=0;i<per.length;i++){
System.out.println(per[i].getName());
}
}

}