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今日3大面试Demo[Integer ASCII 类关系]
2022-06-27 08:25:00 【C_x_330】
目录
1
inti=0;
Integer j =newInteger(0);//因为 -127<0<128 所以自动拆箱 j拆箱为基本类型
System.out.println(i==j);
System.out.println(j.equals(i));
答案:true true
2
ASCII ASCI 联系
标准ASCII只使用7个bit
在简体中文的Windows系统中,ANSI就是GB2312
ASCII码是ANSI码的子集
ASCII码都是可打印字符
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