teacher.java

有一个接口,用抽象类实现它的部分功能,再用实现类继承抽象类,实现其它没实现的接口方法

package cn.edu.csu.oo.inherite;


public class Teacher extends Person{
  /**
   * 老师属性定义
   */
  String department;
  int schoolAge;
  public Teacher(){
    System.out.println("构造函数Teacher()被调用");
  }
  /**
   * @param department
   */
  public Teacher(String name) { 
    super(name);
    System.out.println("构造函数Teacher(String name)被调用");    
  }

  /**
   * @param schoolAge
   */
  public Teacher(int schoolAge) {
     this.schoolAge = schoolAge;
  }
  public Teacher(String department, int schoolAge){
    this(schoolAge);
    this.department = department;
  }
 
  public String getDepartment() {
    return department;
  }

  public void setDepartment(String department) {
    this.department = department;
  }
 
  {
    department= "教务部";
    System.out.println("Teacher初始化块执行后：nam= " + name + " ,age= " + age + " ,sex= " + sex);
  }
  /**
   * @param args
   */
  public static void main(String[] args) {
    Teacher teacher = new Teacher();
    Teacher teacher1 = new  Teacher("jack");
    System.out.println(teacher.hashCode());
  }
}