Why Char value -128--127

Tag: char Why value -128--127

650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/7E/7C/wKiom1cB9s-wgJ6jAAChl2C6r7E389.png "title=" Char-128-127.png "alt=" Wkiom1cb9s-wgj6jaachl2c6r7e389.png "/>

Therefore, truncation occurs when a variable of type char exceeds this range.

Example: Char a=128

00000000 00000000 00000000 10000000

After truncation occurs, the lower 8 bits is 10000000, which means-128;

similarly: char b=-130; truncation indicates 126.

This article is from the "11132019" blog, please be sure to keep this source http://11142019.blog.51cto.com/11132019/1760083

Why Char value -128--127