java 使用对象

 

class XiyoujiRenwu {
    float height,weight;
    String head, ear;
    void speak(String s) {
       head="歪着头";
       System.out.println(s);
    }
}
public class Example4_3 {
    public static void main(String args[]) {
        XiyoujiRenwu  zhubajie,sunwukong;   //声明对象
        zhubajie = new XiyoujiRenwu();      //为对象分配变量
        sunwukong = new XiyoujiRenwu();
        zhubajie.height=1.80f;              //对象给自己的变量赋值
        zhubajie.head="大头"; 
        zhubajie.ear="一双大耳朵"; 
        sunwukong.height=1.62f;            //对象给自己的变量赋值
        sunwukong.weight=1000f;   
        sunwukong.head="绣发飘飘"; 
        System.out.println("zhubajie的身高："+zhubajie.height);
        System.out.println("zhubajie的头:"+zhubajie.head);
        System.out.println("sunwukong的重量:"+sunwukong.weight);
        System.out.println("sunwukong的头:"+sunwukong.head);
        zhubajie.speak("俺老猪我想娶媳妇");      //对象调用方法
        System.out.println("zhubajie现在的头:"+zhubajie.head);
        sunwukong.speak("老孙我重1000斤,我想骗八戒背我"); //对象调用方法
        System.out.println("sunwukong现在的头:"+sunwukong.head);
   }
}