Don't attache any pictures.. only typed answer please please help me make a flowchart for this program Responsive UI with thread! import java.awt.*; import java.awt.event.*; import javax.swing.*; /** Resolve the unresponsive UI problem by running the compute-intensive task in this own thread, which yields control to the EDT regularly */ public class UnresponsiveUIwThreadSleep extends JFrame { private boolean stop = false; private JTextField tfCount; private int count = 1; /** Constructor to setup the GUI components */ public UnresponsiveUIwThreadSleep() { Container cp = getContentPane(); cp.setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10)); cp.add(new JLabel("Counter")); tfCount = new JTextField(count + "", 10); tfCount.setEditable(false); cp.add(tfCount); JButton btnStart = new JButton("Start Counting"); cp.add(btnStart); btnStart.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { stop = false; // Create a new Thread to do the counting Thread t = new Thread() { @Override public void run() { // override the run() for the running behaviors for (int i = 0; i < 100000; ++i) { if (stop) break; tfCount.setText(count + ""); ++count; // Suspend this thread via sleep() and yield control to other threads. // Also provide the necessary delay. try { sleep(10); // milliseconds } catch (InterruptedException ex) {} } } }; t.start(); // call back run() } }); JButton btnStop = new JButton("Stop Counting"); cp.add(btnStop); btnStop.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { stop = true; } }); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setTitle("Counter"); setSize(300, 120); setVisible(true); } /** The entry main method */ public static void main(String[] args) { // Run GUI codes in Event-Dispatching thread for thread safety javax.swing.SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new UnresponsiveUIwThreadSleep(); // Let the constructor do the job } }); } }
Don't attache any pictures.. only typed answer please
please help me make a flowchart for this program Responsive UI with thread!
import java.awt.*; import java.awt.event.*; import javax.swing.*; /** Resolve the unresponsive UI problem by running the compute-intensive task in this own thread, which yields control to the EDT regularly */ public class UnresponsiveUIwThreadSleep extends JFrame { private boolean stop = false; private JTextField tfCount; private int count = 1; /** Constructor to setup the GUI components */ public UnresponsiveUIwThreadSleep() { Container cp = getContentPane(); cp.setLayout(new FlowLayout(FlowLayout.CENTER, 10, 10)); cp.add(new JLabel("Counter")); tfCount = new JTextField(count + "", 10); tfCount.setEditable(false); cp.add(tfCount); JButton btnStart = new JButton("Start Counting"); cp.add(btnStart); btnStart.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { stop = false; // Create a new Thread to do the counting Thread t = new Thread() { @Override public void run() { // override the run() for the running behaviors for (int i = 0; i < 100000; ++i) { if (stop) break; tfCount.setText(count + ""); ++count; // Suspend this thread via sleep() and yield control to other threads. // Also provide the necessary delay. try { sleep(10); // milliseconds } catch (InterruptedException ex) {} } } }; t.start(); // call back run() } }); JButton btnStop = new JButton("Stop Counting"); cp.add(btnStop); btnStop.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent evt) { stop = true; } }); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setTitle("Counter"); setSize(300, 120); setVisible(true); } /** The entry main method */ public static void main(String[] args) { // Run GUI codes in Event-Dispatching thread for thread safety javax.swing.SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new UnresponsiveUIwThreadSleep(); // Let the constructor do the job } }); } }
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