FilesExpand file tree

 master

/

FloatTest.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

36 lines (34 loc) · 926 Bytes

 master

/

FloatTest.java

Copy path

Top

File metadata and controls

• Code
• Blame

36 lines (34 loc) · 926 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

/**

* Description:

* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>

* <br/>Copyright (C), 2001-2016, Yeeku.H.Lee

* <br/>This program is protected by copyright laws.

* <br/>Program Name:

* <br/>Date:

* @author Yeeku.H.Lee kongyeeku@163.com

* @version 1.0

*/

public class FloatTest

{

public static void main(String[] args)

{

float af = 5.2345556f;

// 下面将看到af的值已经发生了改变

System.out.println(af);

double a = 0.0;

double c = Double.NEGATIVE_INFINITY;

float d = Float.NEGATIVE_INFINITY;

// 看到float和double的负无穷大是相等的。

System.out.println(c == d);

// 0.0除以0.0将出现非数

System.out.println(a / a);

// 两个非数之间是不相等的

System.out.println(a / a == Float.NaN);

// 所有正无穷大都是相等的

System.out.println(6.0 / 0 == 555.0/0);

// 负数除以0.0得到负无穷大

System.out.println(-8 / a);

// 下面代码将抛出除以0的异常

// System.out.println(0 / 0);

}

}