Logical operator short-circuit effect in Java

Source: Internet
Author: User
Tags logical operators

In Java logical operators && and | |, they all have short-circuit effects.

For a && B, the entire expression is true only if both A and B are true (in Java, the expression A is first, and if A is true, the expression B is continued, and only A and B are true, the result is true)

If the expression A is false, the entire expression must also be false, so expression B is not calculated

For a | | b, the entire expression is false if both A and B are false (with one true, the expression is true)

If A is true, the value of the entire expression is true, there is no need to re-op expression b

So:

in Java, logical operators && and | | is known as short-circuit and short- circuit or

Logical operator short-circuit effect in Java

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