person.java

图书管理系统源代码

 package p1;
 public class person
{
    public String name="张三";                          //姓名
    public  int age=20;                              //年龄
    
    
    public  int getAge()
    {
    	return age;
    }
}
package p2;
import p1.person;
public class student extends person
{
  private 	String dept="计算机系";
 
   public 	String getDept()
	{
		return dept;
	}

public static void main(String args[])
{
	student stu1=new student();
System.out.println("姓名："+stu1.name+" 年龄："+stu1.getAge()+" 所学专业："+stu1.getDept());
}
}