Third, Java Basic Tools (1) _ Common class--Mathematics related classes

2018-05-13

Math-related classesfirst, the math class

Java's math contains properties and methods for performing basic mathematical operations, such as elementary exponents, logarithms, square roots, and trigonometric functions.

The math method is defined as a static form, which can be called directly in the main function through the math class.

Reference: 52590688

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Second, Biginter class

Represents a large integer that, if the maximum value of the two long type is calculated, the result long is not stored, and biginter is used at this time. Generally not.

Reference: https://www.cnblogs.com/bbn0111/p/7506605.html

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third, BigDecimal class

Neither float nor double can accurately represent decimals, at which point the BigDecimal is used to process money and higher-demanding data.

Ref: 45559655

8582449

41808497

Third, Java Basic Tools (1) _ Common class--Mathematics related classes