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BubbleSort.java
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36 lines (30 loc) · 799 Bytes
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package sort;
import org.junit.Test;
import utils.Utils;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
public class BubbleSort {
/*
TASK
bubble sort를 구현한다.
*/
@Test
public void test() {
int[] arr = {2,1,4,0,3};
int[] sortedArr = new int[arr.length];
for (int i = 0; i < sortedArr.length; i++) {
sortedArr[i] = i;
}
assertThat(sort(arr), is(sortedArr));
}
public int[] sort(int[] arr) {
for (int i = 0; i < arr.length - 1; i++) {
for (int j = i + 1; j < arr.length; j++) {
if (arr[i] > arr[j]) {
Utils.swapValue(arr, i, j);
}
}
}
return arr;
}
}