对象

package com.ufe01;

public class Laoshi {
 //私有化成员变量
 private String name;
 private int age;
 protected String prelect;
 //提供有参无参构造
 public Laoshi(){}
 public Laoshi(String name,int age,String prelect){
  this.name=name;
  this.age=age;
  this.prelect =prelect;
  }
 //提供set/get方法
  public void setName(String name){
   this.name = name;
  }
  public String getName(){
   return name;
  }
  
  public void setAge(int age){
   this.age = age;
  }
  public int getAge(){
   return age;
  
 }
  public void setPrelect(String prelect){
   this.prelect = prelect;
  }
  public String getPrelect(){
   return prelect;
  
 }
  //讲课的抽象方法
  public void prelect() {
  }
}