package pjh1; public class A { public int id; public String name; public int age; public String city; public String introduce() { return "我的ID是" + id + ", 名字是" + name + ", 年龄是" + age + ", 居住地是" + city ; } }
package pjh1; public class B { public static void main(String[] args) { // TODO Auto-generated method stub A p1=new A(); A p2=new A(); A p3=new A(); A p4=new A(); p1.id=110001; p1.name="刘备"; p1.age=43; p1.city="蜀国"; p2.id=110002; p2.name="关羽"; p2.age=35; p2.city="蜀国"; p3.id=110003; p3.name="张飞"; p3.age=32; p3.city="蜀国"; p4.id=110004; p4.name="诸葛亮"; p4.age=25; p4.city="蜀国"; System.out.println(p1.introduce()); System.out.println(p2.introduce()); System.out.println(p3.introduce()); System.out.println(p4.introduce()); } }