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Solution implemented #88

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Solution implemented #88

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2021281
Solution implemented
NikolayAbysov Mar 31, 2020
f3a6fc6
Solution implemented
NikolayAbysov Mar 31, 2020
f68a365
Changed to bit operations
NikolayAbysov Mar 31, 2020
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18 changes: 17 additions & 1 deletion src/main/java/core/basesyntax/FlipBit.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,22 @@ public class FlipBit {
* Договоримся, что биты нумеруются от младшего (индекс 1) к старшему (индекс 32).</p>
*/
public int flipBit(int value, int bitIndex) {
return 0;
bitIndex = bitIndex - 1;
StringBuilder stringBuilder = new StringBuilder(Integer.toBinaryString(value));
stringBuilder = stringBuilder.reverse();

if (stringBuilder.length() > bitIndex) {
if (stringBuilder.charAt(bitIndex) == '1') {
stringBuilder.setCharAt(bitIndex, '0');
} else {
stringBuilder.setCharAt(bitIndex, '1');
}
} else {
while (stringBuilder.length() <= bitIndex - 1) {
stringBuilder.append('0');
}
stringBuilder.append('1');
}
return Integer.parseInt(stringBuilder.reverse().toString(), 2);

@dmytro-hryhoruk dmytro-hryhoruk Mar 31, 2020

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Now that you know how it works try to do that with ^ and << operators

}
}