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TestSwing.java
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executable file
·95 lines (85 loc) · 2.51 KB
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import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.GridLayout;
import java.awt.BorderLayout;
public class TestSwing extends JFrame{
public static void main(String[] args){
new TestSwing();
}
private final static long serialVersionUID=1L;
public TestSwing(){
super("TestSwing");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initComponents();
this.setSize(300,200);
this.setVisible(true);
}
/** ïåðâîíà÷àëüíàÿ èíèöèàëèçàöèÿ êîìïîíåíòîâ */
private void initComponents(){
// create component's
JButton buttonRun=new JButton("Run thread");
JButton buttonGarbage=new JButton("Garbage");
JButton buttonStop=new JButton("Stop thread");
// add listener's
buttonRun.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
onButtonRun();
}
});
buttonGarbage.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
onButtonGarbage();
}
});
buttonStop.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
onButtonStop();
}
});
// placing component's
JPanel panelMain=new JPanel(new BorderLayout());
JPanel panelManager=new JPanel(new GridLayout(3,1));
panelManager.add(buttonRun);
panelManager.add(buttonGarbage);
panelManager.add(buttonStop);
panelMain.add(panelManager);
this.getContentPane().add(panelMain);
}
private void onButtonRun(){
//TestThread thread=
new TestThread();
}
private void onButtonGarbage(){
Runtime.getRuntime().gc();
}
private void onButtonStop(){
}
}
/** êëàññ, êîòîðûé çàïóñêàåò ïîòîê, ïðè ÷åì ñîçäàåòñÿ ïîòîê ñ ïîìîùüþ èíòåðôåéñà Runnable,
* íî ññûëêà íà Thread(this) ëîêàëüíà â êîíñòðóêòîðå, òî åñòü íå ïðèâÿçàíà ê êëàññó,
* à òåîðåòè÷åñêè äîëæíà áûòü óáðàíà êîíñòðóêòîðîì ÷åðåç íåêîòîðîå âðåìÿ ïîñëå ñîçäàíèå äàííîãî êëàññà */
class TestThread implements Runnable{
private boolean flagRun=false;
public TestThread(){
Thread thread=new Thread(this);
this.flagRun=true;
thread.start();
}
public void stop(){
this.flagRun=false;
}
public void run(){
int counter=0;
while(flagRun==true){
System.out.println("TestThread:"+(counter++));
try{
Thread.sleep(250);
}catch(InterruptedException ex){
System.out.println("InterrruptedException: "+ex.getMessage());
}catch(Exception ex){
System.out.println("Exception "+ex.getMessage());
}
}
}
}