1. Java 的浮点运算是基于 IEEE-754 标准来的。
- IEEE-754 standard
- Java's Floating-Point Operations
2. Java 语言规范
https://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.2.3
- 1.0 / 0 = +Infinity
- -1.0 / 0 = -Infinity
- 0 / 0 = NaN
- ArithmeticExceptionL Double Float java langarithmeticexceptionl double float java 类型double float java 类型double float list double float 浮点 类型double float 之间double string float 关键词 关键double float annotation annotationformaterror java lang java lang numberformatexception getsystenantnames java lang module classformaterror