OnesComplement.java

packagecom.thealgorithms.bitmanipulation;

/**
 * @author - https://github.com/Monk-AbhinayVerma
 * @Wikipedia - https://en.wikipedia.org/wiki/Ones%27_complement
 * The class OnesComplement computes the complement of binary number
 * and returns
 * the complemented binary string.
 * @return the complimented binary string
 */
publicfinalclassOnesComplement {
privateOnesComplement() {
 }

// Function to get the 1's complement of a binary number
publicstaticStringonesComplement(Stringbinary) {
StringBuildercomplement = newStringBuilder();
// Invert each bit to get the 1's complement
for (inti = 0; i < binary.length(); i++) {
if (binary.charAt(i) == '0') {
complement.append('1');
 } else {
complement.append('0');
 }
 }
returncomplement.toString();
 }
}