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package ch19;

public class P78_2 {

public int getSum(int a, int b) {

// b 값이 0이 될 때까지 진행

while (b != 0) {

// 자릿수를 올려가며 carry 값 처리

int carry = (a & b) << 1;

// carry 값을 고려하지 않는 a와 b의 합(sum)

a = a ^ b;

// carry 값을 b에 할당

b = carry;

}

return a;

}

}