or how to express it in java

How to express or in java

or in java is represented by ||, it is a Logical operators can be typed above the Enter key on the keyboard by pressing shift at the same time.

&& and || are logical operators, && is logical AND. When both numbers are true, the result is true. || is a logical OR. If either of the two numbers is true, the result is true. (Recommended tutorial: java tutorial)

For example:

1. a && b

When a and b are both true, the result is true. The result is false when one is false or both are false.

2. a || b

When either a or b is true, the result is true. The result is false when both a and b are false.

Extended information:

There are other logical symbols in java, such as:! , |, &

"!" is a non-operational symbol, for example, if a is true, then! a is false. If a is false, then! a is true.

"|" is also a logical OR, and "&" is also a logical AND, but they are somewhat different from "||" and "&&". The differences are as follows:

"&" and "| "No matter whether the first judgment condition is true or not, the two conditions before and after the logical operator will be judged.

"&&" and "||", the former's first condition is not established, and the following conditions are not judged, and false is returned; the latter's first condition is established, and the following conditions are not judged, and it is returned true.

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