Else if and if else

#1

i am confused that if instead of using else if statement in section 1 , 6th video, if we used if else statement what will be the difference.

#2

@kalindiyadav5,

You can’t give condition in else statement.
Eg.
if(n<50){

}
else(n>50){

} always show an error to you in else statement.or there are chances u provide 50 as input .

u have to use it like
if(n<50){

}
else if(n==50){

}
else(n>50){

}

this won’t show an error.
you have to understand that if else work together on one condition . to use more than one condition we use else if.

#3

what if we use the the syntax like:
if(){
}else{
}else{
}

instead of else if statement, what difference will it make?

#4

@kalindiyadav5,
You can use multiple "else if " statements but only 1 " if " and " else " statements

#5

@kalindiyadav5,

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

}

you can use nested condition like the one mentioned above but only 1 else statement is allowed with an if statement

#6

so using ,
if(){
}if(){
}
.
.
.
.
instead of
if(){
}else if(){
}

which is better? and why?

#7

@kalindiyadav5,

Generally it depends on the question.

In the first example:
if(){
}if(){
}

In this the first ’ if ’ block will be executed if the condition is true. Similarly the second ’ if ’ block will be executed only if the condition is true. In case the first ’ if ’ condition is false, the second condition will be checked irrespective. But in case the first ’ if ’ block is true, the second ’ if ’ block will be checked.

In the second example:
if(){
}else if(){
}

In this the first ’ if ’ block will be executed if the condition is true. Similarly the ’ else if ’ block will be executed only if the condition is true. In case the first ’ if ’ condition is false, the second condition will be checked. But in case the first ’ if ’ block is true, the second ’ else if ’ block will not be checked.

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#8

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1 Like
#9

yes my doubt was cleared . thankyou very much