스레드 만들어보기

Thread를 상속받아서 1초 단위로 출력하는 타이머 스레드 만들기

 

import javax.swing.*; // JFrame
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*; // Container
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;
import java.util.Vector;
import java.awt.*;

public class ThreadTimeEx extends JFrame{

	class TimerThread extends Thread{
		private JLabel timerLabel;
		
		public TimerThread(JLabel timerLabel) {
			this.timerLabel = timerLabel;
		}
		
		public void run() {
			int n=0;
			while(true) {
				timerLabel.setText(Integer.toString(n));
				n++;
				try {
					Thread.sleep(1000);
				}
				catch(InterruptedException e) {
					return;
				}
			}
		}
	}
	
	ThreadTimeEx(){
		setTitle("13장 연습하기");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Container c = getContentPane();
		c.setLayout(new FlowLayout());
		
		JLabel timerLabel = new JLabel();
		timerLabel.setFont(new Font("Gothic",Font.ITALIC,80));
		c.add(timerLabel);
		
		TimerThread th = new TimerThread(timerLabel);
		
		setSize(300, 200); 
		setVisible(true); 
		
		th.start();
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new ThreadTimeEx();
	}

}

 

 

Runnable 인터페이스를 이용하여 1초 단위로 출력하는 타이머 스레드 만들기 

 

import javax.swing.*; // JFrame
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*; // Container
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;
import java.util.Vector;
import java.awt.*;

public class RunnableTimerEx extends JFrame{

	class TimerRunnable implements Runnable{
		private JLabel timerLabel;
		
		public TimerRunnable(JLabel timerLabel) {
			this.timerLabel = timerLabel;
		}
		
		public void run() {
			int n=0;
			while(true) {
				timerLabel.setText(Integer.toString(n));
				n++;
				try {
					Thread.sleep(1000);
				}
				catch(InterruptedException e) {
					return;
				}
			}
		}
	}
	
	RunnableTimerEx(){
		setTitle("13장 연습하기");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Container c = getContentPane();
		c.setLayout(new FlowLayout());
		
		JLabel timerLabel = new JLabel();
		timerLabel.setFont(new Font("Gothic",Font.ITALIC,80));
		c.add(timerLabel);
		
		TimerRunnable runnable = new TimerRunnable(timerLabel);
		Thread th = new Thread(runnable);
		
		setSize(300, 200); 
		setVisible(true); 
		
		th.start();
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new RunnableTimerEx();
	}

}

 

깜빡이는 문자열을 가진 레이블 만들기

 

import javax.swing.*; // JFrame
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import java.awt.*; // Container
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.MouseMotionListener;
import java.util.Vector;
import java.awt.*;

public class FlickeringLabelEx extends JFrame{

	class FlickeringLabel extends JLabel implements Runnable{
		private long delay;
		
		FlickeringLabel(String text, long delay){
			super(text);
			this.delay = delay;
			setOpaque(true);
			
			Thread th = new Thread(this);
			th.start();
		}
		
		public void run() {
			int n=0;
			while(true) {
				if(n==0) setBackground(Color.YELLOW);
				else setBackground(Color.GREEN);
				if(n==0) n=1;
				else n=0;
				try {
					Thread.sleep(delay);
				}
				catch(InterruptedException e) {
					return;
				}
			}
		}
	}
	
	FlickeringLabelEx(){
		setTitle("13장 연습하기");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		Container c = getContentPane();
		c.setLayout(new FlowLayout());
		
		FlickeringLabel fLabel1 = new FlickeringLabel("깜박",500);
		JLabel label = new JLabel("안깜빡");
		FlickeringLabel fLabel2 = new FlickeringLabel("여기도 깜빡",300);
		
		c.add(fLabel1);
		c.add(label);
		c.add(fLabel2);
		
		setSize(300, 200); 
		setVisible(true); 
	}
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new FlickeringLabelEx();
	}

}