Tree based on Array structure
import java.awt.BorderLayout;
import java.util.Vector;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
public class TreeArraySample {
public static void main(String args[]) {
JFrame frame = new JFrame("JTreeSample");
Vector oneVector = new NamedVector("One", args);
Vector twoVector = new NamedVector("Two", new String[] { "Mercury",
"Venus", "Mars" });
Vector threeVector = new NamedVector("Three");
threeVector.add(System.getProperties());
threeVector.add(twoVector);
Object rootNodes[] = { oneVector, twoVector, threeVector };
Vector rootVector = new NamedVector("Root", rootNodes);
JTree tree = new JTree(rootVector);
JScrollPane scrollPane = new JScrollPane(tree);
frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
// frame.getContentPane().add(tree, BorderLayout.CENTER);
frame.setSize(300, 300);
frame.setVisible(true);
}
}
class NamedVector extends Vector {
String name;
public NamedVector(String name) {
this.name = name;
}
public NamedVector(String name, Object elements[]) {
this.name = name;
for (int i = 0, n = elements.length; i < n; i++) {
add(elements[i]);
}
}
public String toString() {
return "[" + name + "]";
}
}
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