Bài tập SINHVIEN

Hàm main




/*
* To change this template, choose | Templates
* and open the template in the editor.
*/

package bai3;

/**
*
* @author Administrator
*/
public class Main {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {
SV s=new SV(1,"son",5);
SV s1=new SV();
s1.nhap();
s.hienThi();
s1.hienThi();

}

}

Hàm con: SINHVIEN


/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package bai3;

import java.util.Scanner;

/**
*
* @author Administrator
*/
public class SV {
int ma;
String ten;
float dtb;
public SV(int m,String t,float d){
this.ma=m; this.ten=t; this.dtb=d;
}

public SV() {
this.ma=0;
this.ten="";
this.dtb=0;
}
public void hienThi(){
System.out.println("ma:" + this.ma);
System.out.println("Ten:" + this.ten);
System.out.println("DTB:" + this.dtb);
}
public void nhap(){
Scanner sc=new Scanner(System.in);
System.out.println("ma:");
this.ma=sc.nextInt();
System.out.println("Ten:");
sc.nextLine();
this.ten=sc.nextLine();
System.out.println("DTB:");
this.dtb=sc.nextFloat();
}
}