方法的重载

<pre name="code" class="html">package TestOverload;public class TestOverload {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubPerson p = new Person();Person p1 = new Person(24);Person p2 = new Person(22,34);p.SetId(26);//p.GetId();p.info();//p.info("haha,");/*p.info();p.info("OK,");p1.info();p1.info1();p.info1();*/}}

package TestOverload;class Person{private int id = 0;private int age = 18;Person(){id = 100;age = 30;}Person(int _id){id = _id;age = 88;}Person(int _id,int _age){id = _id;age = _age;}void info(){System.out.println("id = "+id);}void info1(){System.out.println("age = "+age);}void info(String t){System.out.println(t+"id = "+id);}public void SetId(int i){id = i;}public int GetId(){return id;}}