[improvement-init-Long-list] update

core-java-modules/core-java-collections-list-2/src/test/java/com/baeldung/java/listInitialization/ListInitializationUnitTest.java

@@ -1,8 +1,7 @@
 package com.baeldung.java.listInitialization;
 
-import lombok.extern.java.Log;
-import org.junit.Assert;
-import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -10,6 +9,10 @@ import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import org.junit.Test;
+
+import lombok.extern.java.Log;
+
 @Log
 public class ListInitializationUnitTest {
 
@@ -23,14 +26,14 @@ public class ListInitializationUnitTest {
             }
         };
 
-        Assert.assertTrue(cities.contains("New York"));
+        assertTrue(cities.contains("New York"));
     }
 
     @Test
     public void givenArraysAsList_thenInitialiseList() {
         List<String> list = Arrays.asList("foo", "bar");
 
-        Assert.assertTrue(list.contains("foo"));
+        assertTrue(list.contains("foo"));
     }
 
     @Test(expected = UnsupportedOperationException.class)
@@ -40,12 +43,23 @@ public class ListInitializationUnitTest {
         list.add("baz");
     }
 
+    @Test
+    public void givenArraysAsList_whenUsingArrayListConstructor_thenWeCanAddOrRemove() {
+        List<String> list = new ArrayList<>(Arrays.asList("foo", "bar"));
+
+        list.add("baz");
+        assertEquals(List.of("foo", "bar","baz"), list);
+        
+        list.remove("baz");
+        assertEquals(List.of("foo", "bar"), list);
+    }
+
     @Test
     public void givenArraysAsList_whenCreated_thenShareReference() {
         String[] array = { "foo", "bar" };
         List<String> list = Arrays.asList(array);
         array[0] = "baz";
-        Assert.assertEquals("baz", list.get(0));
+        assertEquals("baz", list.get(0));
     }
 
     @Test
@@ -53,7 +67,7 @@ public class ListInitializationUnitTest {
         int intNum = 42;
         long longNum = intNum;
 
-        Assert.assertEquals(42L, longNum);
+        assertEquals(42L, longNum);
     }
 
     @Test
@@ -63,15 +77,15 @@ public class ListInitializationUnitTest {
 
         List<Long> expected = List.of(1L, 2L, 3L);
 
-        Assert.assertEquals(expected, listOfLongFixedSize);
-        Assert.assertEquals(expected, listOfLong);
+        assertEquals(expected, listOfLongFixedSize);
+        assertEquals(expected, listOfLong);
     }
 
     @Test
     public void givenStream_thenInitializeList() {
         List<String> list = Stream.of("foo", "bar")
-                                  .collect(Collectors.toList());
+            .collect(Collectors.toList());
 
-        Assert.assertTrue(list.contains("foo"));
+        assertTrue(list.contains("foo"));
     }
 }