java---static关键字

static关键字

public class Dog2 {
    //static修饰的时成员变量  也就是类级别的变量
        public static String name;
        public static int health;
        public static int love;
        public static String strain;
        //无参构造方法
        public Dog2(){
            System.out.println("调用了无参数构造方法");
        }
        //有参构造方法
        public Dog2(String name, int health, int love, String strain) {
            this.name = name;
            this.health = health;
            this.love = love;
            this.strain = strain;
        }
        public void print(){
            System.out.println(name+"\t"+health+"\t"+love+"\t"+strain);
        }
        //重载方法 print
        public int print(int num){
            System.out.println(num);
            this.print();
            return num+1;
        }
    }
 //测试类
public class Test {
    public static void main(String[] args) {
        //通过类名直接调用类的成员变量
        Dog2.name="珂珂";
        Dog2.health=99;
        Dog2.love=99;
        Dog2.strain="100";
       
    }
}