check.java

本源码主要是上课时所做实验

class Student		//Student 是类名
{
  //声明成员变量
  int sNumber;		//学号
  String sName;		//姓名
  String sClass;	//班号
  private String sAge;		//学生年龄
  private String sAddr;		//家庭住址
  private String sTelenmb;	//电话号码
  private String sPassword;	//访问口令
	
	Student(String password)
  {
    sPassword=password;
  }
	
	private int checkPassword(String password)  	//私有方法：检查口令是否正确
  {
    if(sPassword==password)
      return 1;
    else
      return 0;
  }

 void setAge(String password,String age)	//置年龄
  {
    if(checkPassword(password)==1)
    {
      sAge=age;
    }
  }

 String getAge(String password)		//取年龄
  {
    if(checkPassword(password)==1)
      return sAge;
    else
      return "Wrong password!";
  }
  
   void setAddr(String password,String addr)	//置家庭住址
  {
    if(checkPassword(password)==1)
    {
      sAddr=addr;
    }
  }
  
   String getAddr(String password)		//取家庭住址
  {
    if(checkPassword(password)==1)
      return sAddr;
    else
      return "Wrong password!";
  }
  
   void setTelenmb(String password,String telenmb)//置电话号码
  {
    if(checkPassword(password)==1)
    {
      sTelenmb=telenmb;
    }
  }

 String getTelenmb(String password)		//取电话号码
  {
    if(checkPassword(password)==1)
      return sTelenmb;
    else
    return "Wrong password!";
  }
  
  
  
}





public class Check	//主类Check
{
  public static void main(String args[])	//主方法main
  {
    Student x=new Student("qqqw");	//创建Student类的对象x
    //访问成员变量
    x.sNumber=19990058;
    x.sName="王  亮";
    x.sClass="99-6班";
    
    x.setAge("qqqw","56");
    String age;
    age=x.getAge("qqqw");
    
    x.setTelenmb("qq","06546");
    String tel;
    tel=x.getTelenmb("qq");
    
    System.out.println("学号："+x.sNumber);
    System.out.println("姓名："+x.sName);
    System.out.println("班级："+x.sClass);
    System.out.println("年龄："+age);
    System.out.println("电话号码："+tel);
  }
}