类和对象

public class person {
String name;
String sex;
int age;
void getInfo(String n,String s,int a) {
name=n;
sex=s;
age=a;

}
void showInfo() {
System.out.println("姓名:"+name);
System.out.println("性别:"+sex);
System.out.println("年龄:"+age);
}


public static void main(String[] args) {
// TODO Auto-generated method stub
    person zhang=new person();
    System.out.println("第一个人的信息");
    zhang.name="张三";
    zhang.sex="男";
    zhang.age=18;
    System.out.println("姓名:"+zhang.name);
    System.out.println("性别:"+zhang.sex);
    System.out.println("年龄:"+zhang.age);
    person li=new person();
    System.out.println("第二个人的信息");
    li.getInfo("李四","女",20);
    li.showInfo();
}

}