Java language Programming (Basic) Chapter fourth mathematical functions, characters, and strings

Source: Internet
Author: User
Tags mathematical functions
Fourth mathematical functions, characters and strings 4.2 common mathematical functions

Methods are divided into three categories: trigonometric methods (trigonometric method), exponential function methods (exponent method), and service methods

4.4 String Type

The string type is not a base type, but a reference type (reference type).

  

Java language Programming (Basic) Chapter fourth mathematical functions, characters, and strings

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