fix code

hutool-core/src/main/java/cn/hutool/core/util/PrimitiveArrayUtil.java

@@ -2039,9 +2039,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		long tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2076,9 +2074,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		int tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2113,9 +2109,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		short tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2150,9 +2144,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		char tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2187,9 +2179,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		byte tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2224,9 +2214,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		double tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2261,9 +2249,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		float tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}
@@ -2298,9 +2284,7 @@ public class PrimitiveArrayUtil {
 		int j = Math.min(array.length, endIndexExclusive) - 1;
 		boolean tmp;
 		while (j > i) {
-			tmp = array[j];
-			array[j] = array[i];
-			array[i] = tmp;
+			swap(array, i, j);
 			j--;
 			i++;
 		}

hutool-core/src/test/java/cn/hutool/core/util/ArrayUtilTest.java

@@ -377,4 +377,11 @@ public class ArrayUtilTest {
 		i = ArrayUtil.lastIndexOfSub(null, b);
 		Assert.assertEquals(-1, i);
 	}
+
+	@Test
+	public void reverseTest(){
+		int[] a = {1,2,3,4};
+		final int[] reverse = ArrayUtil.reverse(a);
+		Assert.assertArrayEquals(new int[]{4,3,2,1}, reverse);
+	}
 }