shigemk2/Sample1.class

## matome.markdown

      
    Raw
  

              matome.markdown
            
          
webブラウザ上で動作するアプレットを作成することができる
paint()メソッドを定義して、画面に文字やグラフィカルな要素を表示できる
init() start() stop() destroy() メソッドを定義して、webブラウザの動作にあわせた処理を記述できる
ウィンドウ部品(AWT)をアプレット上で使うことが出来る
スレッドによるアニメーションをアプレット上で行うことができる


## Sample1.class

      
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              Sample1.class
            
          
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## Sample1.html
<html>
  <body>
    <applet code = "Sample1.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample1.java
import java.applet.Applet;
import java.awt.Graphics;

public class Sample1 extends Applet
{
    public void paint(Graphics g)
    {
        g.drawString("ようこそJavaアプレットへ!!", 10, 10);
    }
}

## Sample2.class

      
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              Sample2.class
            
          
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## Sample2.html
<html>
  <body>
    <applet code = "Sample2.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample2.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.Font;

public class Sample2 extends Applet
{
    public void paint(Graphics g)
    {
        g.setColor(Color.red);
        g.drawLine(10, 10, 100, 100);

        g.setFont(new Font("Serif", Font.BOLD, 24));
        g.drawString("Hello", 10, 50);
    }
}

## Sample3.class

      
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              Sample3.class
            
          
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## Sample3.html
<html>
  <body>
    <applet code = "Sample3.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample3.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Image;

public class Sample3 extends Applet
{
    Image img;

    public void init()
    {
        img = getImage(getDocumentBase(), "shigemk2.gif");
    }

    public void paint(Graphics g)
    {
        g.drawImage(img, 10, 10, this);
    }
}

## Sample4.class

      
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              Sample4.class
            
          
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## Sample4.html
<html>
  <body>
    <applet code = "Sample4.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample4.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;

public class Sample4 extends Applet implements MouseListener
{
    int x = 10;
    int y = 10;

    public void init()
    {
        addMouseListener(this);
    }

    public void mouseClicked(MouseEvent e)
    {
    }
    public void mouseEntered(MouseEvent e)
    {
    }
    public void mouseExited(MouseEvent e)
    {
    }
    public void mousePressed(MouseEvent e)
    {
        // マウスを押した位置を調べ、画面表示を更新するようにする
        x = e.getX();
        y = e.getY();
        repaint();
    }
    public void mouseReleased(MouseEvent e)
    {
    }
    public void paint(Graphics g)
    {
        g.fillOval(x, y, 10, 10); // 楕円を描く
    }
}

## Sample5$1.class

      
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              Sample5$1.class
            
          
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## Sample5.class

      
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              Sample5.class
            
          
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## Sample5.html
<html>
  <body>
    <applet code = "Sample5.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample5.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class Sample5 extends Applet
{
    int x = 10;
    int y = 10;

    // イベント処理の記述
    public void init()
    {
        // 無名クラスを使う
        addMouseListener(new MouseAdapter()
            {
                public void mousePressed(MouseEvent e)
                {
                    x = e.getX();
                    y = e.getY();
                    repaint();
                }
            });
    }
    public void paint(Graphics g)
    {
        g.fillOval(x, y, 10, 10); // 楕円を描く
    }
}

## Sample6.class

      
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              Sample6.class
            
          
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## Sample6.html
<html>
  <body>
    <applet code = "Sample6.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample6.java
import java.applet.Applet;
import java.awt.Button;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class Sample6 extends Applet implements ActionListener
{
    Button bt;

    // イベント処理の記述
    public void init()
    {
        // ボタンオブジェクトを作成する
        bt = new Button("開始");
        add(bt);
        // ボタンを押すイベントを受け取る準備をする
        bt.addActionListener(this);
    }

    // ボタンを押したときの処理を記述する
    public void actionPerformed(ActionEvent ae)
    {
        bt.setLabel("中止");
    }
}

## Sample7.class

      
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              Sample7.class
            
          
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## Sample7.html
<html>
  <body>
    <applet code = "Sample7.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## Sample7.java
import java.applet.Applet;
import java.awt.Graphics;

public class Sample7 extends Applet implements Runnable
{
    int num;

    // イベント処理の記述
    public void init()
    {
        Thread th;
        th = new Thread(this);
        th.start();
    }

    public void run()
    {
        try {
            for(int i=0; i<10; i++) {
                num = i;
                repaint();
                Thread.sleep(1000);
            }
        }
        catch (InterruptedException e) {}
    }

    public void paint(Graphics g)
    {
        String str = num + "です";
        g.drawString(str, 10, 10);
    }
}

## SampleP1.class

      
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              SampleP1.class
            
          
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## SampleP1.html
<html>
  <body>
    <applet code = "SampleP1.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## SampleP1.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.Font;

public class SampleP1 extends Applet
{
    public void paint(Graphics g)
    {
        g.setColor(Color.blue);
        g.setFont(new Font("Serif", Font.BOLD, 20));
        g.drawString("Hello", 20, 20);
    }
}

## SampleP2.class

      
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              SampleP2.class
            
          
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## SampleP2.html
<html>
  <body>
    <applet code = "SampleP2.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## SampleP2.java
import java.applet.Applet;
import java.awt.Graphics;

public class SampleP2 extends Applet
{
    public void paint(Graphics g)
    {
        g.drawRect(10, 10, 100, 100);
    }
}

## SampleP3.class

      
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              SampleP3.class
            
          
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## SampleP3.html
<html>
  <body>
    <applet code = "SampleP3.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## SampleP3.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;
import java.awt.Image;

public class SampleP3 extends Applet implements MouseListener
{
    int x = 10;
    int y = 10;
    Image img;

    public void init()
    {
        img = getImage(getDocumentBase(), "shigemk2.gif");
        addMouseListener(this);
    }

    public void mouseClicked(MouseEvent e)
    {
    }
    public void mouseEntered(MouseEvent e)
    {
    }
    public void mouseExited(MouseEvent e)
    {
    }
    public void mousePressed(MouseEvent e)
    {
        // マウスを押した位置を調べ、画面表示を更新するようにする
        x = e.getX();
        y = e.getY();
        repaint();
    }
    public void mouseReleased(MouseEvent e)
    {
    }
    public void paint(Graphics g)
    {
        g.drawImage(img, x, y, this);
    }
}

## SampleP4.class

      
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              SampleP4.class
            
          
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## SampleP4.html
<html>
  <body>
    <applet code = "SampleP4.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## SampleP4.java
import java.applet.Applet;
import java.awt.Graphics;
import java.awt.event.MouseListener;
import java.awt.event.MouseEvent;

public class SampleP4 extends Applet implements MouseListener
{
    int x = 10;
    int y = 10;
    String str = "";

    public void init()
    {
        addMouseListener(this);
    }

    public void mouseClicked(MouseEvent e)
    {
    }
    public void mouseEntered(MouseEvent e)
    {
        str = "こんにちは";
        repaint();
    }
    public void mouseExited(MouseEvent e)
    {
        str = "さようなら";
        repaint();
    }
    public void mousePressed(MouseEvent e)
    {
    }
    public void mouseReleased(MouseEvent e)
    {
    }
    public void paint(Graphics g)
    {
        g.drawString(str, x, y);
    }
}

## SampleP5.class

      
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              SampleP5.class
            
          
            View raw
        
    
## SampleP5.html
<html>
  <body>
    <applet code = "SampleP5.class" width = 200 height = 100>
    </applet>
  </body>
</html>

## SampleP5.java
import java.applet.Applet;
import java.awt.Graphics;

public class SampleP5 extends Applet implements Runnable
{
    int num;

    // イベント処理の記述
    public void init()
    {
        Thread th;
        th = new Thread(this);
        th.start();
    }

    public void run()
    {
        try {
            for(int i=0; i<10; i++) {
                num = i;
                repaint();
                Thread.sleep(1000);
            }
        }
        catch (InterruptedException e) {}
    }

    public void paint(Graphics g)
    {
        String str = num + "です";
        g.drawString(str, (10+num*10), 10);
    }
}

## shigemk2.gif

      
    Raw
  

              shigemk2.gif
	<html>
	<body>
	<applet code = "Sample1.class" width = 200 height = 100>
	</applet>
	</body>
	</html>
	import java.applet.Applet;
	import java.awt.Graphics;

	public class Sample1 extends Applet
	{
	public void paint(Graphics g)
	{
	g.drawString("ようこそJavaアプレットへ!!", 10, 10);
	}
	}
	<html>
	<body>
	<applet code = "Sample2.class" width = 200 height = 100>
	</applet>
	</body>
	</html>
	import java.applet.Applet;
	import java.awt.Graphics;
	import java.awt.Color;
	import java.awt.Font;

	public class Sample2 extends Applet
	{
	public void paint(Graphics g)
	{
	g.setColor(Color.red);
	g.drawLine(10, 10, 100, 100);

	g.setFont(new Font("Serif", Font.BOLD, 24));
	g.drawString("Hello", 10, 50);
	}
	}
	<html>
	<body>
	<applet code = "Sample3.class" width = 200 height = 100>
	</applet>
	</body>
	</html>
	import java.applet.Applet;
	import java.awt.Graphics;
	import java.awt.Image;

	public class Sample3 extends Applet
	{
	Image img;

	public void init()
	{
	img = getImage(getDocumentBase(), "shigemk2.gif");
	}

	public void paint(Graphics g)
	{
	g.drawImage(img, 10, 10, this);
	}
	}
	<html>
	<body>
	<applet code = "Sample4.class" width = 200 height = 100>
	</applet>
	</body>
	</html>
	import java.applet.Applet;
	import java.awt.Graphics;
	import java.awt.event.MouseListener;
	import java.awt.event.MouseEvent;

	public class Sample4 extends Applet implements MouseListener
	{
	int x = 10;
	int y = 10;

	public void init()
	{
	addMouseListener(this);
	}

	public void mouseClicked(MouseEvent e)
	{
	}
	public void mouseEntered(MouseEvent e)
	{
	}
	public void mouseExited(MouseEvent e)
	{
	}
	public void mousePressed(MouseEvent e)
	{
	// マウスを押した位置を調べ、画面表示を更新するようにする
	x = e.getX();
	y = e.getY();
	repaint();
	}
	public void mouseReleased(MouseEvent e)
	{
	}
	public void paint(Graphics g)
	{
	g.fillOval(x, y, 10, 10); // 楕円を描く
	}
	}
	<html>
	<body>
	<applet code = "Sample5.class" width = 200 height = 100>
	</applet>
	</body>
	</html>
	import java.applet.Applet;
	import java.awt.Graphics;
	import java.awt.event.MouseAdapter;
	import java.awt.event.MouseEvent;

	public class Sample5 extends Applet
	{
	int x = 10;
	int y = 10;

	// イベント処理の記述
	public void init()
	{
	// 無名クラスを使う
	addMouseListener(new MouseAdapter()
	{
	public void mousePressed(MouseEvent e)
	{
	x = e.getX();
	y = e.getY();
	repaint();
	}
	});
	}
	public void paint(Graphics g)
	{
	g.fillOval(x, y, 10, 10); // 楕円を描く
	}
	}