Maintenance script: Repair batch-0002 pages from live compare

2026-03-27T00:16:08Z

Repair batch-0002 pages from live compare

← Older revision		Revision as of 00:16, 27 March 2026
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	[[MobileJavaStudy]]		[[MobileJavaStudy]]

imported>Unknown at 05:23, 7 February 2021

2021-02-07T05:23:46Z

New page

== 소개 ==
핸드폰에서 'Hello World' 출력.
== 재동이의 소스 ==
import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;

public class HelloWorld extends MIDlet implements CommandListener {
private Display display;
private TextBox mainScreen = null;
private Command exit;

public HelloWorld() {
display = Display.getDisplay(this);
mainScreen = new TextBox("HelloWorld","Hello World",512,0);
exit = new Command("exit", Command.EXIT,2);
mainScreen.addCommand(exit);
mainScreen.setCommandListener(this);
}
public void startApp() {
display.setCurrent(mainScreen);
}
public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c,Displayable s) {
if(c == exit) {
destroyApp(false);
notifyDestroyed();
}
}
}
== 상규의 소스 ==
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

class HelloWorldCanvas extends Canvas {
public void paint(Graphics g) {
g.setColor(255,255,255);
g.fillRect(g.getClipX(),g.getClipY(),g.getClipWidth(),g.getClipHeight());
g.setColor(0,0,0);
g.drawString("Hello World!", 0, 0, Graphics.TOP|Graphics.LEFT);
}
};

public class HelloWorld extends MIDlet implements CommandListener {
private Display display;
private HelloWorldCanvas canvas;
private Command exitCommand;

public HelloWorld() {
display = Display.getDisplay(this);
canvas = new HelloWorldCanvas();
exitCommand = new Command("Exit", Command.EXIT, 1);

canvas.addCommand(exitCommand);
canvas.setCommandListener(this);
}

public void startApp() {
display.setCurrent(canvas);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
display = null;
canvas = null;
exitCommand = null;
}

public void commandAction(Command c, Displayable d) {
if(c == exitCommand) {
destroyApp(true);
notifyDestroyed();
}
}
};
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[[MobileJavaStudy]]

MobileJavaStudy/HelloWorld - Revision history

Maintenance script: Repair batch-0002 pages from live compare

imported>Unknown at 05:23, 7 February 2021