If else blocks are used for the conditional checkers.

First condition would be placed in if block, statements would be executed if that block is true.

If not, the control would be moved to the else block.

• if-else ladder.

  if (condition) {
      //statement
  } else if(condition) {
      //statement
  } else if(condition) {
      //statement
  } else {
      //statement
  }