diff --git a/core-java/.classpath b/core-java/.classpath
index f9b079e8c9..ca829f1262 100644
--- a/core-java/.classpath
+++ b/core-java/.classpath
@@ -27,7 +27,7 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
 			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
diff --git a/core-java/.settings/org.eclipse.jdt.core.prefs b/core-java/.settings/org.eclipse.jdt.core.prefs
index 046168cf24..1882edb712 100644
--- a/core-java/.settings/org.eclipse.jdt.core.prefs
+++ b/core-java/.settings/org.eclipse.jdt.core.prefs
@@ -6,8 +6,13 @@ org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annota
 org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
 org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
-org.eclipse.jdt.core.compiler.compliance=1.7
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.problem.annotationSuperInterface=warning
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.autoboxing=ignore
@@ -92,4 +97,4 @@ org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
 org.eclipse.jdt.core.compiler.problem.unusedTypeParameter=ignore
 org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.source=1.7
+org.eclipse.jdt.core.compiler.source=1.8
diff --git a/core-java/.settings/org.eclipse.wst.common.project.facet.core.xml b/core-java/.settings/org.eclipse.wst.common.project.facet.core.xml
index bc0009a455..f4ef8aa0a5 100644
--- a/core-java/.settings/org.eclipse.wst.common.project.facet.core.xml
+++ b/core-java/.settings/org.eclipse.wst.common.project.facet.core.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <faceted-project>
-  <installed facet="java" version="1.7"/>
+  <installed facet="java" version="1.8"/>
 </faceted-project>
diff --git a/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java b/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java
index 95b79810cd..a5f684a141 100644
--- a/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java
+++ b/core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java
@@ -31,7 +31,7 @@ public class JavaCollectionConversionUnitTest {
 
     @Test
     public final void givenUsingCoreJava_whenListConvertedToArray_thenCorrect() {
-        final List<Integer> sourceList = Lists.<Integer> newArrayList(0, 1, 2, 3, 4, 5);
+        final List<Integer> sourceList = Arrays.asList(0, 1, 2, 3, 4, 5);
         final Integer[] targetArray = sourceList.toArray(new Integer[sourceList.size()]);
     }