diff --git a/src/java.desktop/share/classes/javax/swing/text/Document.java b/src/java.desktop/share/classes/javax/swing/text/Document.java
index c23da3c19e8..b36d7b984e3 100644
--- a/src/java.desktop/share/classes/javax/swing/text/Document.java
+++ b/src/java.desktop/share/classes/javax/swing/text/Document.java
@@ -278,7 +278,7 @@ import javax.swing.event.UndoableEditListener;
  * <p>Removing text from a DefaultStyledDocument is similar to removing text from
  * a PlainDocument. The only difference is the extra level of Elements.
  * Consider what would happen if you deleted two characters at Offset 1
- * from Figure 10, above. Since the the second Element of Paragraph 1 is
+ * from Figure 10, above. Since the second Element of Paragraph 1 is
  * completely contained in the deleted region, it would be removed.
  * Assuming the attributes of Paragraph 1's first child matched those of
  * Paragraph2's first child, the results would be those shown in <u>Figure 11</u>.
diff --git a/test/jdk/java/awt/Multiscreen/DeviceIdentificationTest/DeviceIdentificationTest.java b/test/jdk/java/awt/Multiscreen/DeviceIdentificationTest/DeviceIdentificationTest.java
index 425588d6693..684ac9e2538 100644
--- a/test/jdk/java/awt/Multiscreen/DeviceIdentificationTest/DeviceIdentificationTest.java
+++ b/test/jdk/java/awt/Multiscreen/DeviceIdentificationTest/DeviceIdentificationTest.java
@@ -24,7 +24,7 @@
  * @test
  * @bug 6614214 8198613
  * @summary Verifies that we enter the fs mode on the correct screen.
- * Here is how to test: start the test on on a multi-screen system.
+ * Here is how to test: start the test on a multi-screen system.
  * Verify that the display is correctly tracked by dragging the frame back
  * and forth between screens. Then verify that the correct device enters
  * the full-screen mode - when "Enter FS mode" is pressed it should enter on
diff --git a/test/jdk/java/awt/datatransfer/HTMLDataFlavors/ManualHTMLDataFlavorTest.java b/test/jdk/java/awt/datatransfer/HTMLDataFlavors/ManualHTMLDataFlavorTest.java
index 015d46f03b2..bd1ea752edb 100644
--- a/test/jdk/java/awt/datatransfer/HTMLDataFlavors/ManualHTMLDataFlavorTest.java
+++ b/test/jdk/java/awt/datatransfer/HTMLDataFlavors/ManualHTMLDataFlavorTest.java
@@ -121,7 +121,7 @@ public class ManualHTMLDataFlavorTest extends Applet {
                 "6) The output should contain data in three different formats",
                 "   provided by the system clipboard",
                 "    - Data after the \"ALL:\" marker should include the data",
-                "      from the the \"SELECTION:\" marker",
+                "      from the \"SELECTION:\" marker",
                 "    - Data after the \"FRAGMENT\" marker should include the data",
                 "      from the \"SELECTION:\" marker and may be some closing",
                 "      tags could be added to the mark-up",
diff --git a/test/jdk/java/awt/print/PrinterJob/PageFormatChange.java b/test/jdk/java/awt/print/PrinterJob/PageFormatChange.java
index 7cb9a2bd3ff..2515e11e9ec 100644
--- a/test/jdk/java/awt/print/PrinterJob/PageFormatChange.java
+++ b/test/jdk/java/awt/print/PrinterJob/PageFormatChange.java
@@ -34,7 +34,7 @@ import javax.print.*;
 public class PageFormatChange {
 
     static String[] text = {
-    "This is is a manual test intended to be run on Windows, and you",
+    "This is a manual test intended to be run on Windows, and you",
     "must have at least two printers installed, and ideally the second",
     "printer should support large paper sizes. When the pageDialog appears",
     "first change printers, then choose a large paper size, then OK",
diff --git a/test/jdk/javax/imageio/stream/DeleteOnExitTest.sh b/test/jdk/javax/imageio/stream/DeleteOnExitTest.sh
index feafda7bf25..0e66b03d3d3 100644
--- a/test/jdk/javax/imageio/stream/DeleteOnExitTest.sh
+++ b/test/jdk/javax/imageio/stream/DeleteOnExitTest.sh
@@ -22,7 +22,7 @@
 # @test
 # @bug 6291034
 # @run shell DeleteOnExitTest.sh
-# @summary Verify that temporary imageio files files are deleted on VM exit.
+# @summary Verify that temporary imageio files are deleted on VM exit.
 
 if [ -z "${TESTSRC}" ]; then
   echo "TESTSRC undefined: defaulting to ."
diff --git a/test/jdk/javax/print/attribute/ServiceDlgPageRangeTest.java b/test/jdk/javax/print/attribute/ServiceDlgPageRangeTest.java
index ab17680cefc..bdf3368f5b0 100644
--- a/test/jdk/javax/print/attribute/ServiceDlgPageRangeTest.java
+++ b/test/jdk/javax/print/attribute/ServiceDlgPageRangeTest.java
@@ -99,7 +99,7 @@ public class ServiceDlgPageRangeTest {
         } catch (InterruptedException e) {
             if (!testPassed && testGeneratedInterrupt) {
                 throw new RuntimeException("PageRanges option is not disabled "
-                        + "for for Non serv-formatted flvrs");
+                        + "for Non serv-formatted flvrs");
             }
         }
         if (!testGeneratedInterrupt) {
diff --git a/test/jdk/javax/sound/midi/Sequencer/SequencerState.java b/test/jdk/javax/sound/midi/Sequencer/SequencerState.java
index 01b49e2e471..01b1c6a45d8 100644
--- a/test/jdk/javax/sound/midi/Sequencer/SequencerState.java
+++ b/test/jdk/javax/sound/midi/Sequencer/SequencerState.java
@@ -55,7 +55,7 @@ public class SequencerState {
 
 
     public static void main(String[] args) throws Exception {
-        out("4913027: several Sequencer methods should should specify behaviour on closed Sequencer");
+        out("4913027: several Sequencer methods should specify behaviour on closed Sequencer");
         if (hasSequencer()) {
             boolean passed = testAll();
             if (passed) {
diff --git a/test/jdk/javax/swing/JColorChooser/Test4193384.java b/test/jdk/javax/swing/JColorChooser/Test4193384.java
index 826e9893696..b32006e905c 100644
--- a/test/jdk/javax/swing/JColorChooser/Test4193384.java
+++ b/test/jdk/javax/swing/JColorChooser/Test4193384.java
@@ -51,7 +51,7 @@ public class Test4193384 {
         float[] hsb = new float[3];
         for (int i = 0; i < colors.length; i++) {
             Color color = colors[i];
-            // Make sure sure that there wasn't a regression
+            // Make sure that there wasn't a regression
             // in java.awt.Color and the conversion methods
             Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsb);
             if (!color.equals(Color.getHSBColor(hsb[0], hsb[1], hsb[2]))) {
diff --git a/test/jdk/sanity/client/SwingSet/src/EditorPaneDemoTest.java b/test/jdk/sanity/client/SwingSet/src/EditorPaneDemoTest.java
index b769c6d8268..4cc16e53e71 100644
--- a/test/jdk/sanity/client/SwingSet/src/EditorPaneDemoTest.java
+++ b/test/jdk/sanity/client/SwingSet/src/EditorPaneDemoTest.java
@@ -52,7 +52,7 @@ import com.sun.swingset3.demos.editorpane.EditorPaneDemo;
 /*
  * @test
  * @key headful screenshots
- * @summary Verifies SwingSet3 EditorPaneDemo by navigating and and validating
+ * @summary Verifies SwingSet3 EditorPaneDemo by navigating and validating
  *  the page contents in all pages
  *
  * @library /sanity/client/lib/jemmy/src
diff --git a/test/jdk/sanity/client/SwingSet/src/TabbedPaneDemoTest.java b/test/jdk/sanity/client/SwingSet/src/TabbedPaneDemoTest.java
index 6b7b270173f..0e80df72a63 100644
--- a/test/jdk/sanity/client/SwingSet/src/TabbedPaneDemoTest.java
+++ b/test/jdk/sanity/client/SwingSet/src/TabbedPaneDemoTest.java
@@ -39,7 +39,7 @@ import org.testng.annotations.Listeners;
  * @test
  * @key headful
  * @summary Verifies SwingSet3 TabbedPaneDemo by iterating through tab placement
- *          positions, opening each tab and verifying the the tab gets selected.
+ *          positions, opening each tab and verifying the tab gets selected.
  *
  * @library /sanity/client/lib/jemmy/src
  * @library /sanity/client/lib/Extensions/src
diff --git a/test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tree/resources/TreeDemo.properties b/test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tree/resources/TreeDemo.properties
index 77c6f82fc1e..3d584efb05a 100644
--- a/test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tree/resources/TreeDemo.properties
+++ b/test/jdk/sanity/client/lib/SwingSet3/src/com/sun/swingset3/demos/tree/resources/TreeDemo.properties
@@ -1,6 +1,6 @@
 ### Tree Demo ###
 
-TreeDemo.accessible_description=This demo shows shows a sample usage of a JTree component.
+TreeDemo.accessible_description=This demo shows a sample usage of a JTree component.
 TreeDemo.tooltip=JTree demo
 TreeDemo.name=Tree Demo
 TreeDemo.music=Music
diff --git a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/WindowWaiter.java b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/WindowWaiter.java
index c7b27be0895..0e2c6866fd0 100644
--- a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/WindowWaiter.java
+++ b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/WindowWaiter.java
@@ -286,7 +286,7 @@ public class WindowWaiter extends Waiter<Window, Void> implements Timeoutable {
     }
 
     /**
-     * Wait till the count of windows which meet the the search criteria becomes
+     * Wait till the count of windows which meet the search criteria becomes
      * equal to count.
      *
      * @param ch a component chooser used to define and apply the search
@@ -300,7 +300,7 @@ public class WindowWaiter extends Waiter<Window, Void> implements Timeoutable {
     }
 
     /**
-     * Wait till the count of windows which meet the the search criteria becomes
+     * Wait till the count of windows which meet the search criteria becomes
      * equal to count.
      *
      * @param owner The owner window of all the windows to be checked
diff --git a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/ComponentOperator.java b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/ComponentOperator.java
index 99a076b7b4d..4575c4dbe98 100644
--- a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/ComponentOperator.java
+++ b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/ComponentOperator.java
@@ -252,7 +252,7 @@ public class ComponentOperator extends Operator
 
     /**
      * Constructor. Waits for a component in a container to show. The component
-     * is is the first {@code java.awt.Component} that shows and that lies
+     * is the first {@code java.awt.Component} that shows and that lies
      * below the container in the display containment hierarchy. Uses cont's
      * timeout and output for waiting and to init operator.
      *
diff --git a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/JTreeOperator.java b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/JTreeOperator.java
index e97862832e2..29d7c238b79 100644
--- a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/JTreeOperator.java
+++ b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/JTreeOperator.java
@@ -66,7 +66,7 @@ import org.netbeans.jemmy.util.EmptyVisualizer;
  * <BR><BR>Timeouts used: <BR>
  * JTreeOperator.WaitNodeExpandedTimeout - time to wait node expanded <BR>
  * JTreeOperator.WaitNodeCollapsedTimeout - time to wait node collapsed <BR>
- * JTreeOperator.WaitAfterNodeExpandedTimeout - time to to sleep after node
+ * JTreeOperator.WaitAfterNodeExpandedTimeout - time to sleep after node
  * expanded <BR>
  * JTreeOperator.WaitNextNodeTimeout - time to wait next node displayed <BR>
  * JTreeOperator.WaitNodeVisibleTimeout - time to wait node visible <BR>
diff --git a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/Operator.java b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/Operator.java
index 840362b73bd..e29bf9b116b 100644
--- a/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/Operator.java
+++ b/test/jdk/sanity/client/lib/jemmy/src/org/netbeans/jemmy/operators/Operator.java
@@ -366,7 +366,7 @@ public abstract class Operator
     }
 
     /**
-     * Returns component visualizer. Visualizer is used from from
+     * Returns component visualizer. Visualizer is used from
      * makeComponentVisible() method.
      *
      * @return a visualizer assigned to this operator.
@@ -378,7 +378,7 @@ public abstract class Operator
     }
 
     /**
-     * Changes component visualizer. Visualizer is used from from
+     * Changes component visualizer. Visualizer is used from
      * makeComponentVisible() method.
      *
      * @param vo a visualizer to assign to this operator.
@@ -1080,7 +1080,7 @@ public abstract class Operator
     }
 
     /**
-     * Interface used to make component visible & ready to to make operations
+     * Interface used to make component visible & ready to make operations
      * with.
      */
     public interface ComponentVisualizer {
diff --git a/test/jdk/sun/java2d/pipe/hw/RSLAPITest/RSLAPITest.java b/test/jdk/sun/java2d/pipe/hw/RSLAPITest/RSLAPITest.java
index 9e0194b4985..9c5cf3de2e3 100644
--- a/test/jdk/sun/java2d/pipe/hw/RSLAPITest/RSLAPITest.java
+++ b/test/jdk/sun/java2d/pipe/hw/RSLAPITest/RSLAPITest.java
@@ -75,7 +75,7 @@ public class RSLAPITest {
         if (ret != 0l) {
             System.err.printf(
                     "FAILED: surface.getNativeResource(%d) returned" +
-                    " 0x%s. It should have have returned 0L\n",
+                    " 0x%s. It should have returned 0L\n",
                     type, ret);
             failed = true;
         }