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This article is about how operators in JAVA are used. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1. Arithmetic operator

Operator: common ±* / etc.

Expressions: expressions that are concatenated with operators that conform to the java syntax, such as axib

Arithmetic operator: +-* /%

Note: if you want to get a decimal, you have to have a floating point number in it.

In print, char and int are converted according to ASCII codes

The "+" of a string is a string connector, that is, concatenation

2. Assignment operator

Assignment operator: axi10, don't say that an equals 10, but assign 10 to the variable a

Note: type conversion is automatically forced when performing + =,-=, * =, / =,% = operations.

Self-increasing and self-subtracting operators

That is, + +,-

Note: the result is the same as that of + + I alone, but there is a difference when assigning a value: jaccounibald + becomes jaccounirei, but it becomes + + iGradei.

IV. Relational operator

Relational operator: =,! =, >, >

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