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  • 类型范围

    char -128 ~ +127 (1 Byte)
    short -32767 ~ + 32768 (2 Bytes)
    unsigned short 0 ~ 65536 (2 Bytes)
    int -2147483648 ~ +2147483647 (4 Bytes)32位
    unsigned int 0 ~ 4294967295 (4 Bytes)
    long == int
    long long -9223372036854775808 ~ +9223372036854775807 (8 Bytes)
    double 1.7 * 10^308 (8 Bytes)

    unsigned int 0~4294967295 
    long long的最大值:9223372036854775807
    long long的最小值:-9223372036854775808
    unsigned long long的最大值:1844674407370955161

    __int64的最大值:9223372036854775807
    __int64的最小值:-9223372036854775808
    unsigned __int64的最大值:18446744073709551615

    更多内容

    ******

    int ab;
    ab=Math.abs(-2147483648);
    System.out.println(ab);//-2147483648

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  • 原文地址:https://www.cnblogs.com/WuYeqian/p/6830227.html
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