what is difference between = and==

Answer 1

Hi Binit,

A double equals '==' is used solely for comparisons. For example:

if (age == 18){}

For pretty much everything else, such as declaring and modifying variables, a single equals '=' will do the trick just fine.

Answer 2

for example:
x=1;
y=x;
if (x==y){}
while (x==y){}