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import java.util.Arrays;

public class ThreeSumClosest {

public int threeSumClosest(int[] nums, int target) {

Arrays.sort(nums);

int min = Integer.MAX_VALUE, res = 0;

for (int k = 0; k < nums.length - 2; k++) {

for (int i = k + 1, j = nums.length - 1; i < j; ) {

int sum = nums[k] + nums[i] + nums[j];

if (sum > target) {

j--;

} else if (sum < target) {

i++;

} else {

return sum;

}

int delta = Math.abs(sum - target);

if (delta < min) {

min = delta;

res = sum;

}

}

}

return res;

}

}