java-16

java-16

创建和使用对象

public class Teacher {
           String name;
           int age;

public Teacher(){
           System.out.println("空构造方法被执行了... ...");
 }
public Teacher(String tname,int tage){
           System.out.println("Teacher(String name,int age)被执行了... ...");
           name = tname;
           age = tage;
}

public Teacher(int tage,String tname){

}

    public Teacher(int tage){

    }

    public void test(String name,int age){

    }

    public void test(int age,String name){

    }

    public static void main(String[] args) {
        Teacher teacher1 = new Teacher();
        teacher1.name = "小鑫鑫";
        teacher1.age = 18;
        System.out.println(teacher1.name);
        System.out.println(teacher1.age);
        Teacher teacher2 = new Teacher("张飞",20);
        System.out.println(teacher2.name);
        System.out.println(teacher2.age);
    }
}