Adding two big integers represented as strings


PHP and MySql Database Connectivity


Send SMS using SmsManager in Android

Android Spinner

Android Spinner is like the combox box of AWT or Swing. It can be used to display the multiple options to the user in which only one item can be selected by the user.


Android Radio Buttons

If we check one radio button that belongs to a radio group, it automatically unchecks any previously checked radio button within the same group.

Program to demonstrate multithreading.


Program to demonstrate function overloading for calculation of average.


Write a program to calculate addition of two number using prototyping of methods.


Write a program to convert decimal number into binary numbers.


Write a program for matrix addition.