003.基本数据类型与赋值

数据类型

整形

  • 短整形-short-2Bytes(16bits)
    • short a = 1;
  • 整形-int-4Bytes (32bits)
    • int a = 6;
  • 长整形-long-8Bytes(64bits)
    • long a = 10;

浮点形

  • 单精度型-float-4Bytes(32bits)
    • float a = 4.5f;
  • 双精度型-double-8Bytes(64bits)
    • double a = 4.5;

字符类型

  • 单个字符类型-1Bytes(8bits)
    • char c = “a”;
    • char c = 97;
    • printf (“%c”,c);
  • 字符串
    • string str = “ABCDEF”;