java 变量原理、ASCLL 、二进制

ゞ浴缸里的玫瑰 2023-10-12 09:26 7阅读 0赞

十进制转二进制  
![在这里插入图片描述][7834a3b523dd4713abe6af93f5aff348.png]  
存储字节  
![在这里插入图片描述][5106ebfb7925427db85f461efe9b88a3.png]  
![在这里插入图片描述][46919e22364f48aeb047a7edc1a4827b.png]

![在这里插入图片描述][bba026c6fa614d35ae7ae7b998da111a.png]  
![在这里插入图片描述][f459ceeb718b4ef7ab1bb4c0b3dc93e3.png]

![在这里插入图片描述][66e35fd209074777995babd534ab05d2.png]

package com.ithema.spedkey;
    
    public class demo02 {
        
        public static void main(String[] args) {
        
            int i1 = 0B01100001;
            int i11 = 0b01100001;
            int i2 = 0141;
            int i3 = 0x61;
            int i33 = 0X61;
            // 输出的是默认十进制
            System.out.println(i1);
            System.out.println(i11);
            System.out.println(i2);
            System.out.println(i3);
            System.out.println(i33);
        }
    }

![在这里插入图片描述][c75a1a5877d04a5c85ddb678c088017b.png]  
![在这里插入图片描述][fc9a1559780e4969b6ddcf0c75d8e362.png]  
![在这里插入图片描述][7af7524528374e01977deb68b042954d.png]

[7834a3b523dd4713abe6af93f5aff348.png]: https://img-blog.csdnimg.cn/7834a3b523dd4713abe6af93f5aff348.png
[5106ebfb7925427db85f461efe9b88a3.png]: https://img-blog.csdnimg.cn/5106ebfb7925427db85f461efe9b88a3.png
[46919e22364f48aeb047a7edc1a4827b.png]: https://img-blog.csdnimg.cn/46919e22364f48aeb047a7edc1a4827b.png
[bba026c6fa614d35ae7ae7b998da111a.png]: https://img-blog.csdnimg.cn/bba026c6fa614d35ae7ae7b998da111a.png
[f459ceeb718b4ef7ab1bb4c0b3dc93e3.png]: https://img-blog.csdnimg.cn/f459ceeb718b4ef7ab1bb4c0b3dc93e3.png
[66e35fd209074777995babd534ab05d2.png]: https://img-blog.csdnimg.cn/66e35fd209074777995babd534ab05d2.png
[c75a1a5877d04a5c85ddb678c088017b.png]: https://img-blog.csdnimg.cn/c75a1a5877d04a5c85ddb678c088017b.png
[fc9a1559780e4969b6ddcf0c75d8e362.png]: https://img-blog.csdnimg.cn/fc9a1559780e4969b6ddcf0c75d8e362.png
[7af7524528374e01977deb68b042954d.png]: https://img-blog.csdnimg.cn/7af7524528374e01977deb68b042954d.png