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Operators

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Arithmetic, comparison and logical

Operators are short symbols that act on one or more values. Go groups them into arithmetic (+ - * / %), comparison (== != < > <= >=) and logical (AND OR NOT). Combine them to build the conditions that drive your program.

a, b := 10, 3
fmt.Println(a+b, a-b, a*b, a/b, a%b)
fmt.Println(a > b && b < 5)

Precedence

Just like in maths, * binds tighter than +, so 2 + 3 * 4 is 14, not 20. When in doubt add parentheses — they cost nothing at runtime and make intent clear to anyone reading the code later.

Equality vs assignment

One of the most common beginner bugs is writing = (assignment) when you meant == (comparison). Read your conditions out loud — "if total equals one hundred" — to catch this kind of typo.

Try it yourself

Go Compiler

Output

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