Problem with rendering in java swing

Question

I have a java application with GUI running on ubuntu 16.04 using jre 1.7 and I got some rendering problems. The following code is not an application code, but a simple test case.

import javax.swing.JComboBox;
import javax.swing.JFrame;

public class Test {


  public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setSize(400,200);

    String[] s = {"test", "of", "rendering"};
    JComboBox<String> cs = new JComboBox<>(s);
    f.add(cs);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.pack();
    f.setVisible(true);

  }
}

The following images show the problem: I have 3 elements in the JcomboBox, however, when I browse (either using the mouse or the keyboard), the display of the elements changes (which should not happen). The problem also occurs in Jtree elements.

Any thoughts on this. Thanks in advance.

Answer 1

, , , Oracle Java JDK 7 OpenJDK 7, .

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, , - Swing repaint OpenJDK, , , . RepaintManager, addDirtyRegion(JComponent c, int x, int y, int w, int h) java.awt.EventQueue.isDispatchThread(), , .

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P.S. , Oracle JDK 7 Ubuntu APT, RPM, deb- - Oracle Java JDK 7 Ubuntu Linux - RPM