Saturday, October 22, 2011

Set Vertical Alignment of JLabel

   package org.best.example;
    /*
            Set Vertical Alignment of JLabel Example
            This java example shows how to set and get vertical alignment of label's content using
            Java Swing JLabel class.
    */
    
    
    import javax.swing.JApplet;
    import javax.swing.JLabel;
    
    
    public class JLabelVerticalAlignmentExample extends JApplet{
    
            public void init(){
                  
                    /*
                     * To create JLabel use
                     * JLabel (String caption) constructor
                     * of JLabel class.
                     */
                  
                    JLabel label1 = new JLabel("JLabel Get Horizontal Alignment Example.");
                  
                    //add label to applet
                    add(label1);
                  
                  
                    /*
                     * To get vertical alignment of label's content use,
                     * int getVerticalAlignment()
                     * method of JLabel's class.
                     *
                     *
                     * Return value is one of the following constants,
                     * LEFT, CENTER, RIGHT, LEADING or TRAILING.
                     *
                     */
                  
                    int alignment = label1.getVerticalAlignment();
                  
                    switch(alignment){
                  
                            case JLabel.LEFT:
                                    label1.setText("Left");
                                    break;
                            case JLabel.CENTER:
                                    label1.setText("Center");
                                    break;
                            case JLabel.RIGHT:
                                    label1.setText("Right");
                                    break;
                            case JLabel.LEADING:
                                    label1.setText("Leading");
                                    break;
                            case JLabel.TRAILING:
                                    label1.setText("Trailing");
                                    break;
                          
                    }
                  
                    /*
                     * To set vertical alignment of JLabel use,
                     * void setVerticalAlignment(int alignment)
                     * method
                     */
                  
                    label1.setVerticalAlignment(JLabel.CENTER);
            }
    }

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