Answer 1

when U have so many cases , then its better to create use switch ... in place of many if-else if ... -else statements

Answer 2

Switch is usually a replacement for a series of if-else-if statements:

https://en.m.wikipedia.org/wiki/Switch_statement

Answer 3

switch statement is similar to else if statement.. but difference is, while using else if ,we are actually checking conditions( like per>75) but in switch statement we are assuming some constant value for each condition as case 1, 2 and so on....

So switch is useful for menu driven programming ...display menu (multiple tasks to execute) and ask user for choice ... and serve output of that choice.

Answer 4

if you should do program of so many conditions or repeateadly

Answer 5

hi hor are you friends?