Control Flow

• if

  if (logical condition) {
      // condition is true
  }
  else {
      // condition is false
  }
  	  

  
  Example:
  

  Employee emp;
  .....
  if (emp.salary() < 18000) {
      tax = 0.10;   
  } else {
      tax = 0.15;
  }
  	    

• while
  

  while (logical condition) {
      // repeat while condition is true
  }

  Example: :
  

  int n = 100;
  int sum = 0;
  while (n > 0) {
      sum += n;
      n--;
  }
  

• do/while

  do {
      // repeat statement block between { and } while condition is true
  } while (condition);
  

  Example:
  
  

  int n = 100;
  int sum = 0;
  do {
     sum += n;
     n--;
  } while (n > 0);
  

• for

  for (initializers; condition; updates) {
      // repeat statements while condition is true
  }
  

  Variable can be declared in for loop:
  

  for (int i = 1; i <= n; i++)
  {
   . . .
  }
  // i no longer defined here