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increment operator increments the variable by 1 at a time and decrement operator decrements by 1 in this we have two types increments pre_increment and post increment.
In pre_increment the original value is incremented by 1 and assign the new value
n=10
i=++n
then i =11
In post increment the original value is assigned and after it increments value by 1.
n=10
i=n++
then i=10
example:
k=5
i=k++ + ++k
i=?
ans:
in first k++ value is 5
second ++k value is 7
i=5+7=12
Wiki User
∙ 12y ago
Wiki User
∙ 12y agoC, C#, Java, and C++ using two forms:
post-increment, x++;
pre-increment: ++x;
replace increment with decrement:
x-- and --x
Essentially, they are short hands for
x = x + 1; or
x = x - 1, or
x +=1;
x -= 1;
However, the placement of post- or pre- increment or decrement within an expression matters - the semantic part, not the topic here
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To increment or decrement a value
What are unary operators in javascript?
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