programe devalopment life cycle

1. define the problem
2. design the solution
3. code the program
4. test the program
5. implement the program

• define the problem
• 2+3=?

• design the solution                                   

• code the programe
• #include <iostream.h>
• #include<conio.h>
• void main()
• {
• int x,y,sum;
• cout<<"input numbers";
• cin>>x>>y;
• sum=x+y
• cout<<sum;
• getch();
• }
• test the program                -success
• document the program       -success
• implement the program      -success