how to use else if and switch

Answer 1

switch is an alernative for else if statement. But switch is fast in execution compared to else if. when you need to select an option among many then use switch.

Answer 2

if(test){
code
}else{
code
}

Answer 3

switch is an alternative for if statement

Answer 4

switch is a multi conditional statement where you can put up many conditions but in if .. else you cannot put many conditions