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src/java.desktop/share/classes/java/awt/ScrollPaneAdjustable.java

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 121      * up or down by a line.
 122      * This value should be a non negative integer.
 123      *
 124      * @serial
 125      * @see #getUnitIncrement
 126      * @see #setUnitIncrement
 127      */
 128     private int unitIncrement  = 1;
 129 
 130     /**
 131      * The amount by which the scrollbar value will change when going
 132      * up or down by a page.
 133      * This value should be a non negative integer.
 134      *
 135      * @serial
 136      * @see #getBlockIncrement
 137      * @see #setBlockIncrement
 138      */
 139     private int blockIncrement = 1;
 140 

 141     private AdjustmentListener adjustmentListener;
 142 
 143     /**
 144      * Error message for {@code AWTError} reported when one of
 145      * the public but unsupported methods is called.
 146      */
 147     private static final String SCROLLPANE_ONLY =
 148         "Can be set by scrollpane only";
 149 
 150 
 151     /**
 152      * Initialize JNI field and method ids.
 153      */
 154     private static native void initIDs();
 155 
 156     static {
 157         Toolkit.loadLibraries();
 158         if (!GraphicsEnvironment.isHeadless()) {
 159             initIDs();
 160         }




 121      * up or down by a line.
 122      * This value should be a non negative integer.
 123      *
 124      * @serial
 125      * @see #getUnitIncrement
 126      * @see #setUnitIncrement
 127      */
 128     private int unitIncrement  = 1;
 129 
 130     /**
 131      * The amount by which the scrollbar value will change when going
 132      * up or down by a page.
 133      * This value should be a non negative integer.
 134      *
 135      * @serial
 136      * @see #getBlockIncrement
 137      * @see #setBlockIncrement
 138      */
 139     private int blockIncrement = 1;
 140 
 141     @SuppressWarnings("serial") // Not statically typed as Serializable
 142     private AdjustmentListener adjustmentListener;
 143 
 144     /**
 145      * Error message for {@code AWTError} reported when one of
 146      * the public but unsupported methods is called.
 147      */
 148     private static final String SCROLLPANE_ONLY =
 149         "Can be set by scrollpane only";
 150 
 151 
 152     /**
 153      * Initialize JNI field and method ids.
 154      */
 155     private static native void initIDs();
 156 
 157     static {
 158         Toolkit.loadLibraries();
 159         if (!GraphicsEnvironment.isHeadless()) {
 160             initIDs();
 161         }


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