Precedence is the order to solve the operators. For simplicity, let's see the table
Operator (Higher to Lower Precedence)
Operators | Precedence |
---|---|
postfix | expr++ expr-- |
unary | ++expr --expr +expr -expr ~ ! |
multiplicative | * / % |
additive | + - |
shift | << >> >>> |
relational | < > <= >= instanceof |
equality | == != |
bitwise AND | & |
bitwise exclusive OR | ^ |
bitwise inclusive OR | | |
logical AND | && |
logical OR | || |
ternary | ? : |
assignment | = += -= *= /= %= &= ^= |= <<= >>= >>>= |
Now, If we take an example and try to solve an expression, There can be a case of operators with the same precedence.
ex. 10 * 20 / 4 % 2
When operators of equal precedence appear in the same expression, a rule must govern which is evaluated first. Now we use their Associativity.
There is two kind of Associativity:
- Left to Right
- Right to Left
Except the postfix operators(
expr++ expr--
), All the unary operators have got Right to Left Associativity.For Binary Operators:
Except the assignment operators, All binary operators have got left to right Associativity.
I have clarified my doubts through this. Everyone will benefit and thankyou so much for this article.
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