For every if statement must there be a corresponding else statement

Question

for example I am nesting three if statement together can I use only one else statement of I have to write three else statement also

Answer 1

You can have an if statement without a corresponding else statement.

Answer 2

not necessary

Answer 3

You can use unlimited number of if statement without else statement

Answer 4

if () {}

if () {} else {}

if () {} else if () {} else {}

if () {} else if () {}

if () {if () {} else {}}

if () {if () {} else {}} else {}
...........
Everything is accepted......