Amirul World

A small program use java object oriented program

	import java.util.Scanner;
	interface Medicin{
	public void addingMedicine(int addM);
	public void sellingMedicine(int buy);
	}
	class Medicine implements Medicin {
	public String m_name;
	public int m_num;
	public Medicine(){
	m_name = new String();
	m_num = 0;
	}
	public Medicine(String name, int num){
	m_name = new String(name);
	m_num = num;
	}
	public void addingMedicine(int addM){
	m_num = m_num+addM;
	}
	public void sellingMedicine(int buy){
	m_num = m_num - buy;
	}
	public void disp(){
	System.out.println(" Name of Medicine: "+m_name+" \n At Present Number of Medicine "+m_num);
	}
	}
	class MedicineShop {
	public static void main(String[] args) {
	// TODO Auto-generated method stub
	Scanner sc = new Scanner(System.in);
	Scanner s = new Scanner(System.in);
	String mName[] = new String[50];
	int mNum[] = new int[50];
	Medicine[] n = new Medicine[4];
	System.out.println("Enter total num of medicine . you will add: ");
	int num = sc.nextInt();
	for(int i = 0; i<num; i++){
	System.out.println("Enter the name of medicine"+(i+1)+":");
	mName[i] = s.nextLine();
	System.out.println("Enter the amount of medicine"+(i+1)+":");
	mNum[i] = sc.nextInt();
	}
	for(int j = 0; j< num; j++){
	n[j] = new Medicine(mName[j], mNum[j]);
	n[j].disp();
	}
	//adding new medicine
	System.out.println("Adding Medicine: select name of medicine: ");
	for(int j = 0; j< num; j++){
	System.out.print((j+1)+": "+n[j].m_name+"\n");
	}
	int choice = sc.nextInt();
	System.out.println("adding onumber of medicine: ");
	int nu = sc.nextInt();
	n[choice-1].addingMedicine(nu);
	n[choice-1].disp();
	//selling sum tablet
	System.out.println("Selling : select name of medicine:");
	for( int k = 0; k< num; k++){
	System.out.print((k+1)+": "+n[k].m_name+"\n");
	}
	int choiceSell = sc.nextInt();
	System.out.println("Enter onumber of medicine selling: ");
	int sell = sc.nextInt();
	n[choiceSell-1].sellingMedicine(sell);
	n[choiceSell-1].disp();
	}
	}

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