package liu0917; public class Cat { String name="妮妮"; int age=2; String maose="灰色"; void mao() { System.out.println("cat的姓名是:"+name); } void hanjiao() { System.out.println("喵喵"); } }
package liu0917; public class Catmao { public static void main(String[] args) { Cat ca=new Cat(); System.out.println("cat的毛色:"+ca.maose); System.out.println("cat的年龄:"+ca.age); ca.hanjiao(); ca.mao(); } }