继承extends

package com.sxt.oop;
/**
 * @author Rory
 * @category 教师类
 */
public class Teacher {

     String name;
int age;
String object;

public Teacher(String name, int age, String object) {
this.name = name;
this.age = age;
this.object = object;
}

public void givelesson(){
System.out.println("知识讲解");
System.out.println("提问环节");
}

public String toString(){
return"大家好，我是"+name+"老师\t年龄"+age+"负责讲授"+object+"课程";
}

}

/**
 * @author  Rory
 * @category Java老师类
 */
public class javaTeacher extends Teacherlei{


public javaTeacher(String name, int age, String object) {
super(name, age, object);

}

//课程
public void ke(){
System.out.println("进入Java世界");
}

}

**
 * @author  Rory
 * @category vb老师
 */
public class vbTeacher extends Teacherlei{


public vbTeacher(String name, int age, String object) {
super(name, age, object);
}

public void ke(){
System.out.println("进入vb世界");
}


}