Remove useless non-javadoc comments.

Change-Id: I8a840651c04c505557b4bdf5b37198dcbb3e9f14
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/InstanceofExpression.java b/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/InstanceofExpression.java
index d00053d..cd6ee46 100644
--- a/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/InstanceofExpression.java
+++ b/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/InstanceofExpression.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2008 IBM Corporation and others.
+ * Copyright (c) 2000, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -47,9 +47,6 @@
 		fTypeName= typeName;
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.jdt.internal.corext.refactoring.participants.Expression#evaluate(java.lang.Object)
-	 */
 	@Override
 	public EvaluationResult evaluate(IEvaluationContext context) {
 		Object element= context.getDefaultVariable();
diff --git a/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/IterateExpression.java b/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/IterateExpression.java
index 03c1ea0..dbfd414 100644
--- a/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/IterateExpression.java
+++ b/bundles/org.eclipse.core.expressions/src/org/eclipse/core/internal/expressions/IterateExpression.java
@@ -146,9 +146,6 @@
 		}
 	}
 
-	/* (non-Javadoc)
-	 * @see Expression#evaluate(IVariablePool)
-	 */
 	@Override
 	public EvaluationResult evaluate(IEvaluationContext context) throws CoreException {
 		Object var= context.getDefaultVariable();
diff --git a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ImplicitJobs.java b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ImplicitJobs.java
index 95fb897..dee9357 100644
--- a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ImplicitJobs.java
+++ b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ImplicitJobs.java
@@ -51,8 +51,8 @@
 		this.manager = manager;
 	}
 
-	/* (Non-javadoc)
-	 * @see IJobManager#beginRule
+	/*
+	 * @see IJobManager#beginRule(ISchedulingRule, IProgressMonitor)
 	 */
 	void begin(ISchedulingRule rule, IProgressMonitor monitor, boolean suspend) {
 		if (JobManager.DEBUG_BEGIN_END)
@@ -106,7 +106,7 @@
 		}
 	}
 
-	/* (Non-javadoc)
+	/*
 	 * @see IJobManager#endRule
 	 */
 	synchronized void end(ISchedulingRule rule, boolean resume) {
diff --git a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ThreadJob.java b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ThreadJob.java
index 5b2d7cb..8288353 100644
--- a/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ThreadJob.java
+++ b/bundles/org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/ThreadJob.java
@@ -414,9 +414,6 @@
 		return true;
 	}
 
-	/** (non-Javadoc)
-	 * @see org.eclipse.core.runtime.jobs.Job#run(org.eclipse.core.runtime.IProgressMonitor)
-	 */
 	@Override
 	public IStatus run(IProgressMonitor monitor) {
 		synchronized (this) {
@@ -443,7 +440,7 @@
 		return realJob == null ? true : !realJob.isSystem();
 	}
 
-	/* (non-javadoc)
+	/*
 	 * For debugging purposes only
 	 */
 	@Override
diff --git a/bundles/org.eclipse.core.runtime/src/org/eclipse/core/runtime/PerformanceStats.java b/bundles/org.eclipse.core.runtime/src/org/eclipse/core/runtime/PerformanceStats.java
index 559de2e..6c6e299 100644
--- a/bundles/org.eclipse.core.runtime/src/org/eclipse/core/runtime/PerformanceStats.java
+++ b/bundles/org.eclipse.core.runtime/src/org/eclipse/core/runtime/PerformanceStats.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2013 IBM Corporation and others.
+ * Copyright (c) 2000, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -377,9 +377,6 @@
 		currentStart = NOT_STARTED;
 	}
 
-	/* (non-Javadoc)
-	 * @see java.lang.Object#equals()
-	 */
 	@Override
 	public boolean equals(Object obj) {
 		//count and time are not considered part of equality
diff --git a/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/Setup.java b/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/Setup.java
index 77f57e8..033630e 100644
--- a/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/Setup.java
+++ b/tests/org.eclipse.core.tests.harness/src/org/eclipse/core/tests/session/Setup.java
@@ -194,11 +194,6 @@
 		this.manager = manager;
 	}
 
-	/*
-	 * (non-Javadoc)
-	 *
-	 * @see java.lang.Object#clone()
-	 */
 	@Override
 	public Object clone() {
 		Setup clone = null;
diff --git a/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/internal/preferences/TestNodeStorage3.java b/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/internal/preferences/TestNodeStorage3.java
index 665dfed..7ce7a5c 100644
--- a/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/internal/preferences/TestNodeStorage3.java
+++ b/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/internal/preferences/TestNodeStorage3.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012 IBM Corporation and others.
+ * Copyright (c) 2012, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -41,20 +41,19 @@
 
 	// made package private to use during testing
 	/* package */File getLocation(String nodePath) throws BackingStoreException {
-		if (root == null)
+		if (root == null) {
 			throw new BackingStoreException("Problems getting preference location.");
+		}
 		IPath path = new Path(nodePath);
 		return new File(root, path.lastSegment());
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceStorage#load(java.lang.String)
-	 */
 	@Override
 	public Properties load(String nodePath) throws BackingStoreException {
 		File file = getLocation(nodePath);
-		if (!file.exists())
+		if (!file.exists()) {
 			return null;
+		}
 		InputStream input;
 		try {
 			input = new BufferedInputStream(new FileInputStream(file));
@@ -64,14 +63,12 @@
 		}
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceStorage#save(java.lang.String, java.util.Properties)
-	 */
 	@Override
 	public void save(String nodePath, Properties properties) throws BackingStoreException {
 		File file = getLocation(nodePath);
-		if (file == null)
+		if (file == null) {
 			return;
+		}
 		OutputStream output;
 		try {
 			output = new BufferedOutputStream(new FileOutputStream(file));
@@ -81,24 +78,19 @@
 		}
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceStorage#childrenNames(java.lang.String)
-	 */
 	@Override
 	public String[] childrenNames(String nodePath) {
 		// Until we expose load-levels to the user, we will only be called for root children here
 		return root == null ? new String[0] : root.list();
 	}
 
-	/* (non-Javadoc)
-	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceStorage#removed(java.lang.String)
-	 */
 	@Override
 	public void removed(String nodePath) {
 		try {
 			File file = getLocation(nodePath);
-			if (file.exists())
+			if (file.exists()) {
 				file.delete();
+			}
 		} catch (BackingStoreException e) {
 			// fall through
 		}
diff --git a/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/runtime/jobs/AsynchExecThread.java b/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/runtime/jobs/AsynchExecThread.java
index ba24d5b..1abd329 100644
--- a/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/runtime/jobs/AsynchExecThread.java
+++ b/tests/org.eclipse.core.tests.runtime/src/org/eclipse/core/tests/runtime/jobs/AsynchExecThread.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2003, 2015 IBM Corporation and others.
+ * Copyright (c) 2003, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -40,9 +40,6 @@
 		this.index = index;
 	}
 
-	/* (non-Javadoc)
-	 * @see java.lang.Runnable#run()
-	 */
 	@Override
 	public void run() {
 		//wait until the main testing method allows this thread to run
@@ -73,8 +70,9 @@
 				}
 				current.worked(1);
 			}
-			if (ticks <= 0)
+			if (ticks <= 0) {
 				current.worked(1);
+			}
 		} finally {
 			status[index] = TestBarrier.STATUS_DONE;
 			current.done();
diff --git a/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/EclipseContextTest.java b/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/EclipseContextTest.java
index 9071ec3..597f982 100644
--- a/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/EclipseContextTest.java
+++ b/tests/org.eclipse.e4.core.tests/src/org/eclipse/e4/core/internal/tests/contexts/EclipseContextTest.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2017 IBM Corporation and others.
+ * Copyright (c) 2009, 2021 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -353,13 +353,6 @@
 		IEclipseContext context = EclipseContextFactory.create("ParentContext");
 		context.set("x", new ContextFunction() {
 
-			/*
-			 * (non-Javadoc)
-			 *
-			 * @see
-			 * org.eclipse.e4.core.contexts.ContextFunction#compute(org.eclipse
-			 * .e4.core.contexts.IEclipseContext, java.lang.String)
-			 */
 			@Override
 			public Object compute(IEclipseContext context, String contextKey) {
 				return IInjector.NOT_A_VALUE;
@@ -381,13 +374,6 @@
 		parent.set("x", Integer.valueOf(1));
 		child.set("x", new ContextFunction() {
 
-			/*
-			 * (non-Javadoc)
-			 *
-			 * @see
-			 * org.eclipse.e4.core.contexts.ContextFunction#compute(org.eclipse
-			 * .e4.core.contexts.IEclipseContext, java.lang.String)
-			 */
 			@Override
 			public Object compute(IEclipseContext context, String contextKey) {
 				return IInjector.NOT_A_VALUE;