Day So

DaySo.java

/*+--------------------------+
  | Java Programing Language.|
  | Author: nduy.nga.        |
  | ThaiNguyen University.   |
  +--------------------------+*/

package DS;
import java.util.Scanner;
public class DaySo
{
    private int n;
    private int m[];
    static Scanner input=new Scanner(System.in);
    public DaySo()
    {}
    public DaySo(int spt)
    {
        this.n=spt;
    }
    public DaySo(int m1[])
    {
        this.m=m1;
    }
    public void nhapDS()
    {
        System.out.print("Nhap vao so phan tu cua mang: ");
        n = input.nextInt();
        m=new int[n];
        for (int i=0;i<n ;i++ ) 
        {
            System.out.print("m[" +i+"]= ");
            m[i]=input.nextInt();
        }
    }
    public void inDS(String y)
    {
        System.out.print(y);
        for (int i=0;i<n ;i++ ) 
        {
            System.out.print(this.m[i]+" ");
        }
        System.out.println();
    }
    public DaySo congDS(DaySo ds)
    {
        DaySo dsTong=new DaySo();
        dsTong.m=new int[n];
        for (int i=0;i<n ;i++) 
        {
            dsTong.m[i]=this.m[i]+ds.m[i];
        }
        return dsTong;
    }
}

TestDS.java

/*+--------------------------+
  | Java Programing Language.|
  | Author: nduy.nga.        |
  | ThaiNguyen University.   |
  +--------------------------+*/


import DS.*;
import java.util.Scanner;
public class TestDS
{
    Scanner input=new Scanner(System.in);
    public static void main(String[] argv)    
    {
        DaySo ds=new DaySo();
        DaySo ds1=new DaySo();
        ds.nhapDS();
        ds.inDS("Day So 1 nhap la: ");
        ds1.nhapDS();
        ds1.inDS("day so 2 vua nhap la: ");
        ds.congDS(ds1).inDS("Tong 2 day so la: ");
    }
}