public class People4 {
//形参,入参,不固定参数
int speak(String name,int age,String ...hobbies){
System.out.println("我叫"+name+",我今年"+age+"岁了");
System.out.print("我的爱好:");
for(String hobby:hobbies){
System.out.print(hobby+" ");
}
// 获取爱好的长度
int totalHobbies=hobbies.length;
return totalHobbies;
}
public static void main(String[] args){
People4 zhangsan=new People4();
int n=zhangsan.speak("张三",23,"游泳","唱歌","跳舞");
System.out.println("\n有"+n+"个爱好");
}
}
Eclipse运行效果图
*这个老师讲过,又忘记了