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       {
              FileOutputStream fos = new FileOutputStream(projectFile);
              project.save(fos, "IDE Project File");
       }
       ...
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       project.save(fos, "IDE Project File");
       fos.close();
 
 
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  public
    Object clone()
    {
      try {
        ThisClass obj = (ThisClass)super.clone();
        obj.field1 = (int[])field1.clone();
        obj.field2 = field2;
        return obj;
      } catch(CloneNotSupportedException e) {
        throw new InternalError("Unexpected CloneNotSUpportedException: " + e.getMessage());
      }
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import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
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