Add Collections class

1 files changed, 20 insertions, 0 deletions

diff --git a/src/main/java/com/mavlushechka/a1qa/project/utils/Collections.java b/src/main/java/com/mavlushechka/a1qa/project/utils/Collections.java
new file mode 100644
index 0000000..44b8f40
--- /dev/null
+++ b/src/main/java/com/mavlushechka/a1qa/project/utils/Collections.java
@@ -0,0 +1,20 @@
+package com.mavlushechka.a1qa.project.utils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+public class Collections {
+
+    private Collections() {
+    }
+
+    public static boolean isSortedDescending(List<?> list) {
+        List<?> descendingSortedList = new ArrayList<>(list);
+
+        descendingSortedList.sort(java.util.Collections.reverseOrder());
+
+        return Objects.equals(list, descendingSortedList);
+    }
+
+}