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This article introduces the relevant knowledge of "how many data types are there in java". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Basic data types: byte, short, int, long, float, double, boolaen, char.

Reference data types: arrays, classes, interfaces, enumerations, annotations.

Integer types are: byte, short, int, long. If you need an integer type larger than long, you can use the java.math.BigInt type.

Floating-point types are: float and double. Floating-point types cannot be accurately calculated. For accurate operations, you can use the java.math.BigDecimal type.

Boolean type: boolean, values are only true and false.

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