Copy list to another list examples (#4725)

core-java-10/src/test/java/com/baeldung/java10/list/CopyListServiceUnitTest.java

@@ -0,0 +1,14 @@
+package com.baeldung.java10.list;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class CopyListServiceUnitTest {
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void whenModifyCopyOfList_thenThrowsException() {
+        List<Integer> copyList = List.copyOf(Arrays.asList(1, 2, 3, 4));
+    }
+}