Any shape that has 3 sides and three angles is called triangle. To find area of triangle we must know length of all three sides of a tria...

A triangle is called right angled triangle if its one angle is 90 degree.There is no restriction on angle side or name.90 degree angle may b...

To find area of circle we must know about radius of circle.We will multiply square of radius with value of PI.PI is constant and its val...

Operators are symbols in java that are used to perform amazing operations on your data.Some of these symbols are &,^,* and ! .Java c...

Variables are memory cells or memory locations that are used to store data during execution.Variable name remains same  in complete execu...

Before starting the uses I would like to tell you What is computer. Not only our laptop and PC's are computers. Any device that can comp...