Fix AbsoluteMin bug for equal absolute values

src/main/java/com/thealgorithms/maths/AbsoluteMin.java

@@ -19,7 +19,7 @@ public static int getMinValue(int... numbers) {
 
         var absMinWrapper = new Object() { int value = numbers[0]; };
 
-        Arrays.stream(numbers).skip(1).filter(number -> Math.abs(number) < Math.abs(absMinWrapper.value)).forEach(number -> absMinWrapper.value = number);
+        Arrays.stream(numbers).skip(1).filter(number -> Math.abs(number) <= Math.abs(absMinWrapper.value)).forEach(number -> absMinWrapper.value = Math.min(absMinWrapper.value, number));
 
         return absMinWrapper.value;
     }

src/test/java/com/thealgorithms/maths/AbsoluteMinTest.java

@@ -15,7 +15,13 @@ void testGetMinValue() {
 
     @Test
     void testGetMinValueWithNoArguments() {
-        Exception exception = assertThrows(IllegalArgumentException.class, () -> AbsoluteMin.getMinValue());
+        Exception exception = assertThrows(IllegalArgumentException.class, AbsoluteMin::getMinValue);
         assertEquals("Numbers array cannot be empty", exception.getMessage());
     }
+
+    @Test
+    void testGetMinValueWithSameAbsoluteValues() {
+        assertEquals(-5, AbsoluteMin.getMinValue(-5, 5));
+        assertEquals(-5, AbsoluteMin.getMinValue(5, -5));
+    }
 }