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luxinfl
V2EX  ›  程序员

碰到个面试题,不知道该咋写

  •  
  •   luxinfl · Apr 27, 2020 · 4330 views
    This topic created in 2231 days ago, the information mentioned may be changed or developed.

    private boolean isOdd ( int i );

    不限正数和负数啊

    求大佬指教

    16 replies    2020-04-27 21:17:48 +08:00
    mightofcode
        1
    mightofcode  
       Apr 27, 2020
    return Math.abs(i)%2==1;
    jzmws
        2
    jzmws  
       Apr 27, 2020
    i % 2==0
    JerryCha
        3
    JerryCha  
       Apr 27, 2020
    return i&1==1;
    shucc
        4
    shucc  
       Apr 27, 2020
    return (num & 1) == 1;
    crayygy
        5
    crayygy  
       Apr 27, 2020 via iPhone   ❤️ 1
    看二进制的最后一位
    luxinfl
        6
    luxinfl  
    OP
       Apr 27, 2020
    @shucc 膜拜大佬
    luxinfl
        7
    luxinfl  
    OP
       Apr 27, 2020
    @crayygy 膜拜大佬
    luxinfl
        8
    luxinfl  
    OP
       Apr 27, 2020
    luxinfl
        9
    luxinfl  
    OP
       Apr 27, 2020
    @jzmws
    @mightofcode 可以可以
    yukiloh
        10
    yukiloh  
       Apr 27, 2020 via Android
    位判断的亮了
    hunter2015
        11
    hunter2015  
       Apr 27, 2020
    我似乎只能说,NB
    luxinfl
        12
    luxinfl  
    OP
       Apr 27, 2020
    这就叫差距啊
    zllmath
        13
    zllmath  
       Apr 27, 2020   ❤️ 1
    ericls
        14
    ericls  
       Apr 27, 2020 via iPhone
    编译器说: 你以为你很聪明?
    Uyuhz
        15
    Uyuhz  
       Apr 27, 2020
    @zllmath 点进去发现很早就看过却忘了 XD
    cloudfstrife
        16
    cloudfstrife  
       Apr 27, 2020 via Android
    @shucc 这个就叫专业
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