Accp 7.0 第14章 示例5 仅供参考

public class student {/** * @param args */public int id;public String name;public int age;public int score;public void show(){System.out.println(id+" "+name+" "+age+" "+score);}public static void main(String[] args) {// TODO Auto-generated method stub}}

public class Biz {student[] a = new student[30];public void showw(student b) {for (int i = 0; i < a.length; i++) {if(a[i]==null){a[i]=b;break;}}}public void showww(){System.out.println("本班学生列表为:");for(int i=0;i<a.length;i++){if(a[i]!=null){a[i].show();}}System.out.println("");}}

public class Text {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubstudent a=new student();a.id=10;a.name="王子";a.age=18;a.score=99;student b=new student();b.id=11;b.name="赫天";b.age=19;b.score=100;Biz c=new Biz();c.showw(a);c.showw(b);c.showww();}}