Modernize o.e.dltk.ruby.activestatedebugger.

* Bump BREE to Java 1.6.
* Enable project specific compiler warnings and fix the enabled ones.
* Add missing @Override and remove useless non-javadoc comments.

Change-Id: Ib3eacc1da1859ad19a6bd2bd45923adb6e6d7cf5
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/.classpath b/plugins/org.eclipse.dltk.ruby.activestatedebugger/.classpath
index 64c5e31..ad32c83 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/.classpath
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/.settings/org.eclipse.jdt.core.prefs b/plugins/org.eclipse.dltk.ruby.activestatedebugger/.settings/org.eclipse.jdt.core.prefs
index af0f20f..dfdb304 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/.settings/org.eclipse.jdt.core.prefs
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/.settings/org.eclipse.jdt.core.prefs
@@ -1,7 +1,106 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled
+org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
+org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
+org.eclipse.jdt.core.compiler.annotation.nonnull.secondary=
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault=org.eclipse.jdt.annotation.NonNullByDefault
+org.eclipse.jdt.core.compiler.annotation.nonnullbydefault.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullable=org.eclipse.jdt.annotation.Nullable
+org.eclipse.jdt.core.compiler.annotation.nullable.secondary=
+org.eclipse.jdt.core.compiler.annotation.nullanalysis=disabled
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
-org.eclipse.jdt.core.compiler.compliance=1.5
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+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
+org.eclipse.jdt.core.compiler.problem.comparingIdentical=warning
+org.eclipse.jdt.core.compiler.problem.deadCode=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.discouragedReference=warning
+org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
-org.eclipse.jdt.core.compiler.source=1.5
+org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.fallthroughCase=ignore
+org.eclipse.jdt.core.compiler.problem.fatalOptionalError=disabled
+org.eclipse.jdt.core.compiler.problem.fieldHiding=ignore
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=warning
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=error
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=warning
+org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts=disabled
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=warning
+org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch=warning
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=ignore
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=ignore
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=warning
+org.eclipse.jdt.core.compiler.problem.missingDefaultCase=ignore
+org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault=disabled
+org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod=ignore
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation=enabled
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod=ignore
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=warning
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=warning
+org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=ignore
+org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped=warning
+org.eclipse.jdt.core.compiler.problem.nonnullTypeVariableFromLegacyInvocation=warning
+org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict=error
+org.eclipse.jdt.core.compiler.problem.nullReference=warning
+org.eclipse.jdt.core.compiler.problem.nullSpecViolation=error
+org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=warning
+org.eclipse.jdt.core.compiler.problem.parameterAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.pessimisticNullAnalysisForFreeTypeVariables=warning
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=ignore
+org.eclipse.jdt.core.compiler.problem.potentialNullReference=ignore
+org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable=ignore
+org.eclipse.jdt.core.compiler.problem.rawTypeReference=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation=warning
+org.eclipse.jdt.core.compiler.problem.redundantNullCheck=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments=ignore
+org.eclipse.jdt.core.compiler.problem.redundantSuperinterface=warning
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic=ignore
+org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic=ignore
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=warning
+org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors=disabled
+org.eclipse.jdt.core.compiler.problem.suppressWarnings=enabled
+org.eclipse.jdt.core.compiler.problem.syntacticNullAnalysisForFields=disabled
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.typeParameterHiding=warning
+org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems=enabled
+org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation=warning
+org.eclipse.jdt.core.compiler.problem.unclosedCloseable=warning
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=ignore
+org.eclipse.jdt.core.compiler.problem.unhandledWarningToken=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=ignore
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=warning
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=disabled
+org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedImport=warning
+org.eclipse.jdt.core.compiler.problem.unusedLabel=warning
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference=enabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+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=1.6
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/META-INF/MANIFEST.MF b/plugins/org.eclipse.dltk.ruby.activestatedebugger/META-INF/MANIFEST.MF
index cdd4b30..61b9a25 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/META-INF/MANIFEST.MF
@@ -17,4 +17,4 @@
  org.eclipse.dltk.ruby.launching,
  org.eclipse.dltk.ruby.core
 Bundle-ActivationPolicy: lazy
-Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerPlugin.java b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerPlugin.java
index edfa164..1b42309 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerPlugin.java
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerPlugin.java
@@ -1,13 +1,11 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * Copyright (c) 2005, 2016 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
- 
  *******************************************************************************/
-
 package org.eclipse.dltk.ruby.activestatedebugger;
 
 import org.eclipse.ui.plugin.AbstractUIPlugin;
@@ -30,11 +28,13 @@
 	public RubyActiveStateDebuggerPlugin() {
 	}
 
+	@Override
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		plugin = this;
 	}
 
+	@Override
 	public void stop(BundleContext context) throws Exception {
 		plugin = null;
 		super.stop(context);
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunner.java b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunner.java
index eecf3c9..687451b 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunner.java
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunner.java
@@ -35,6 +35,7 @@
 		super(install);
 	}
 
+	@Override
 	protected InterpreterConfig alterConfig(InterpreterConfig config,
 			PreferencesLookupDelegate delegate) {
 
@@ -61,53 +62,40 @@
 		return config;
 	}
 
+	@Override
 	protected String getDebuggingEngineId() {
 		return ENGINE_ID;
 	}
 
+	@Override
 	protected String getDebuggingEnginePreferenceKey() {
 		return RubyActiveStateDebuggerConstants.DEBUGGING_ENGINE_PATH_KEY;
 	}
 
+	@Override
 	protected String getDebuggingEnginePreferenceQualifier() {
 		return RubyActiveStateDebuggerPlugin.PLUGIN_ID;
 	}
 
-	/*
-	 * @see
-	 * org.eclipse.dltk.launching.DebuggingEngineRunner#getDebugPreferenceQualifier
-	 * ()
-	 */
+	@Override
 	protected String getDebugPreferenceQualifier() {
 		return RubyDebugPlugin.PLUGIN_ID;
 	}
 
-	/*
-	 * @seeorg.eclipse.dltk.launching.DebuggingEngineRunner#
-	 * getLoggingEnabledPreferenceKey()
-	 */
 	protected String getLoggingEnabledPreferenceKey() {
 		return RubyActiveStateDebuggerConstants.ENABLE_LOGGING;
 	}
 
-	/*
-	 * @see
-	 * org.eclipse.dltk.launching.DebuggingEngineRunner#getLogFileNamePreferenceKey
-	 * ()
-	 */
+	@Override
 	protected String getLogFileNamePreferenceKey() {
 		return RubyActiveStateDebuggerConstants.LOG_FILE_NAME;
 	}
 
-	/*
-	 * @see
-	 * org.eclipse.dltk.launching.DebuggingEngineRunner#getLogFilePathPreferenceKey
-	 * ()
-	 */
 	protected String getLogFilePathPreferenceKey() {
 		return RubyActiveStateDebuggerConstants.LOG_FILE_PATH;
 	}
 
+	@Override
 	protected String getProcessType() {
 		return RubyLaunchConfigurationConstants.ID_RUBY_PROCESS_TYPE;
 	}
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunnerFactory.java b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunnerFactory.java
index c8ccde7..e0c3adf 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunnerFactory.java
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/RubyActiveStateDebuggerRunnerFactory.java
@@ -1,13 +1,11 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * Copyright (c) 2005, 2016 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
- 
  *******************************************************************************/
-
 package org.eclipse.dltk.ruby.activestatedebugger;
 
 import org.eclipse.dltk.launching.IInterpreterInstall;
@@ -21,6 +19,7 @@
 public class RubyActiveStateDebuggerRunnerFactory implements
 		IInterpreterRunnerFactory {
 
+	@Override
 	public IInterpreterRunner createRunner(IInterpreterInstall install) {
 		return new RubyActiveStateDebuggerRunner(install);
 	}
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferenceInitializer.java b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferenceInitializer.java
index 3c1213a..11dd2af 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferenceInitializer.java
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferenceInitializer.java
@@ -1,3 +1,13 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Jae Gangemi and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Jae Gangemi - initial API and implementation
+ *******************************************************************************/
 package org.eclipse.dltk.ruby.activestatedebugger.preferences;
 
 import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
@@ -10,9 +20,7 @@
 public class RubyActiveStateDebuggerPreferenceInitializer extends
 		AbstractPreferenceInitializer {
 
-	/*
-	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#initializeDefaultPreferences()
-	 */
+	@Override
 	public void initializeDefaultPreferences() {
 		IPreferenceStore store = RubyActiveStateDebuggerPlugin.getDefault()
 				.getPreferenceStore();
diff --git a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferencePage.java b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferencePage.java
index 8a1b6d5..a369245 100644
--- a/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferencePage.java
+++ b/plugins/org.eclipse.dltk.ruby.activestatedebugger/src/org/eclipse/dltk/ruby/activestatedebugger/preferences/RubyActiveStateDebuggerPreferencePage.java
@@ -1,13 +1,11 @@
 /*******************************************************************************
- * Copyright (c) 2005, 2007 IBM Corporation and others.
+ * Copyright (c) 2005, 2016 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
- 
  *******************************************************************************/
-
 package org.eclipse.dltk.ruby.activestatedebugger.preferences;
 
 import org.eclipse.core.resources.IProject;
@@ -44,11 +42,7 @@
 	private static final String PREFERENCE_PAGE_ID = "org.eclipse.dltk.ruby.preferences.debug.engines.activestatedebugger"; //$NON-NLS-1$
 	private static final String PROPERTY_PAGE_ID = "org.eclipse.dltk.ruby.propertyPage.debug.engines.activestatedebugger"; //$NON-NLS-1$
 
-	/*
-	 * @see org.eclipse.dltk.ui.preferences.AbstractConfigurationBlockPropertyAndPreferencePage#createOptionsBlock(org.eclipse.dltk.ui.util.IStatusChangeListener,
-	 *      org.eclipse.core.resources.IProject,
-	 *      org.eclipse.ui.preferences.IWorkbenchPreferenceContainer)
-	 */
+	@Override
 	protected AbstractOptionsBlock createOptionsBlock(
 			IStatusChangeListener newStatusChangedListener, IProject project,
 			IWorkbenchPreferenceContainer container) {
@@ -57,6 +51,7 @@
 						ENGINE_PATH, ENABLE_LOGGING, LOG_FILE_PATH,
 						LOG_FILE_NAME }, container) {
 
+			@Override
 			protected void createLoggingBlock(Composite composite) {
 				/*
 				 * remove once the python active state debug runner supports
@@ -64,69 +59,62 @@
 				 */
 			}
 
+			@Override
 			protected PreferenceKey getDebuggingEnginePathKey() {
 				return ENGINE_PATH;
 			}
 
+			@Override
 			protected PreferenceKey getEnableLoggingPreferenceKey() {
 				return ENABLE_LOGGING;
 			}
 
+			@Override
 			protected PreferenceKey getLogFileNamePreferenceKey() {
 				return LOG_FILE_NAME;
 			}
 
+			@Override
 			protected PreferenceKey getLogFilePathPreferenceKey() {
 				return LOG_FILE_PATH;
 			}
 		};
 	}
 
-	/*
-	 * @see org.eclipse.dltk.ui.preferences.AbstractConfigurationBlockPropertyAndPreferencePage#getHelpId()
-	 */
+	@Override
 	protected String getHelpId() {
 		// TODO Auto-generated method stub
 		return null;
 	}
 
+	@Override
 	protected String getNatureId() {
 		return RubyNature.NATURE_ID;
 	}
 	
-	/*
-	 * @see org.eclipse.dltk.ui.preferences.AbstractConfigurationBlockPropertyAndPreferencePage#getProjectHelpId()
-	 */
+	@Override
 	protected String getProjectHelpId() {
 		// TODO Auto-generated method stub
 		return null;
 	}
 
-	/*
-	 * @see org.eclipse.dltk.ui.preferences.AbstractConfigurationBlockPropertyAndPreferencePage#setDescription()
-	 */
+	@Override
 	protected void setDescription() {
 		setDescription(PreferenceMessages.PreferencesDescription);
 	}
 
-	/*
-	 * @see org.eclipse.dltk.ui.preferences.AbstractConfigurationBlockPropertyAndPreferencePage#setPreferenceStore()
-	 */
+	@Override
 	protected void setPreferenceStore() {
 		setPreferenceStore(RubyActiveStateDebuggerPlugin.getDefault()
 				.getPreferenceStore());
 	}
 
-	/*
-	 * @see org.eclipse.dltk.internal.ui.preferences.PropertyAndPreferencePage#getPreferencePageId()
-	 */
+	@Override
 	protected String getPreferencePageId() {
 		return PREFERENCE_PAGE_ID;
 	}
 
-	/*
-	 * @see org.eclipse.dltk.internal.ui.preferences.PropertyAndPreferencePage#getPropertyPageId()
-	 */
+	@Override
 	protected String getPropertyPageId() {
 		return PROPERTY_PAGE_ID;
 	}