Loops (for,while,do..while)

 

 * for loop
 * Syntax:
 * for(counter_variable = start value;condition;step_value)
 * {
 * statements;
 * }

/**
 * While loop
 * Syntax:
 * while(condition)
 * {
 * statements
 * }
 

 * Do...While loop(post-testing loop)
 * working:-
 * first execute the command then check condition.
 * (for 1st execute command whether is condition false or true,
 * for second time execute if condition is true)
 * Syntax:
 *
 * do
 * {
 *
 * statements;
 *
 * }while(condition);
 *
 */