fork download

copy

/**
 * Flips one bit of the given <code>value</code>.
 *
 * @param value     any number
 * @param bitIndex  index of the bit to flip, 1 <= bitIndex <= 32
 * @return new value with one bit flipped
 */
public static int flipBit(int value, int bitIndex) {
    int bitI = bitIndex;
    int pow1 = (int) Math.pow(2,bitI-1);
    int pow2 = (int) Math.pow(2,bitI);
    int ost = value % pow1;
    int nach = value-(value % pow2);
    int vv = value - ost - nach;
    if (vv==0){
     vv=pow1;
    }else{
     vv=0;
    }
    int val= nach+ vv+ost;
    return val;
}

Main.java:8: error: class, interface, or enum expected
public static int flipBit(int value, int bitIndex) {
              ^
Main.java:10: error: class, interface, or enum expected
    int pow1 = (int) Math.pow(2,bitI-1);
    ^
Main.java:11: error: class, interface, or enum expected
    int pow2 = (int) Math.pow(2,bitI);
    ^
Main.java:12: error: class, interface, or enum expected
    int ost = value % pow1;
    ^
Main.java:13: error: class, interface, or enum expected
    int nach = value-(value % pow2);
    ^
Main.java:14: error: class, interface, or enum expected
    int vv = value - ost - nach;
    ^
Main.java:15: error: class, interface, or enum expected
    if (vv==0){
    ^
Main.java:17: error: class, interface, or enum expected
    }else{
    ^
Main.java:19: error: class, interface, or enum expected
    }
    ^
Main.java:21: error: class, interface, or enum expected
    return val;
    ^
Main.java:22: error: class, interface, or enum expected
}
^
11 errors

Standard output is empty