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JAVA PROGRAM TO CHECK STRING PALINDROME

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<span style="font-family: "Trebuchet MS",sans- serif; font-size: xx-small;"><span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><b>Program Statement: </b>Write a JAVA program to check given string is palindrome or not.</span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" width="200" /></a></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS", sans-serif;">Tested

on:</span></span><br />
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<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Software: Windows 8,

Jdk 1.6,   Netbeans IDE</span></span> <br />
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;"><br /></span></span>
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Hardware: Intel Core

i3, 4 GB RAM, 500 GB HDD</span></span></div>
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<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Source

Code</span></span></div>
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<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">@Author: Praveen

Kanwar </span></span></span><br />
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">import java.util.*;<br />public class StringPalindrome {<br />    public static void main(String[] args) <br />    {<br />        Scanner sn=new Scanner(System.in);<br />        System.out.println("Enter any string: ");<br />        String str=sn.next();<br />        StringBuffer sb = new StringBuffer(str);<br />            sb.reverse();<br />    <br />        if(str.equals(sb.toString()))<br />            System.out.println("The given string "+str+" is a palindrome");<br />        else<br />            System.out.println("The given string "+str+" is not a palindrome");<br /><br /><br />    }<br />}</span></span></span></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><span style="size: small;">Output
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<div style="background: #fff; border: 1px solid red; padding: 10px;">
 Enter any string: <br />
madam<br />
The given string madam is a palindrome<br />
<br />
 Enter any string: <br />
cat<br />
The given string cat is not a palindrome</div>
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JAVA PROGRAM TO CHECK STRING PALINDROME

Program Statement: Write a JAVA program to check given string is palindrome or not. Tested on: Software: Windows 8, Jdk 1....

JAVA PROGRAM TO DEMONSTRATE RUNTIME POLYMORPHISM

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<span style="font-family: "Trebuchet MS",sans- serif; font-size: xx-small;"><span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><b>Program Statement:</b> Write a JAVA program to demonstrate runtime polymorphism.</span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" width="200" /></a></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS", sans-serif;">Tested

on:</span></span><br />
<br />
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Software: Windows 8,

Kanwar </span></span></span><br />
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">abstract class Shape<br />{<br />    abstract void area();<br />}<br />class Rectangle extends Shape<br />{<br />    @Override<br />    void area()<br />    {<br />    int l=10,b=20;<br />    System.out.println("The area of rectangle is:"+l*b);<br />    }<br />}<br />class Square extends Shape<br />{<br />    void area()<br />    {<br />        int l=10;<br />        System.out.println("The area of square is:"+l*l);<br />    }<br />}<br />public class RuntimePolymorphism <br />{<br /><br />    /**<br />     * @param args the command line arguments<br />     */<br />    public static void main(String[] args) {<br />        // TODO code application logic here<br />    Shape s;<br />    Rectangle r=new Rectangle();<br />    Square s1=new Square();<br />    s=r;<br />    s.area();<br />    s=s1;<br />    s.area();<br />    <br />    }<br />    <br />}</span></span></span></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><span style="size: small;">Output
</span></span></span></div>
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The area of rectangle is:200<br />
The area of square is:100</div>
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JAVA PROGRAM TO DEMONSTRATE RUNTIME POLYMORPHISM

Program Statement: Write a JAVA program to demonstrate runtime polymorphism. Tested on: Software: Windows 8, Jdk 1.6, N...

JAVA PROGRAM TO DEMONSTRATE SIMPLE JAVA APPLET

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<span style="font-family: "Trebuchet MS",sans- serif; font-size: xx-small;"><span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><b>Program Statement:</b> Develop an applet that displays a simple message.</span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" width="200" /></a></div>
<div style="background: #4e9cf4; border-radius: 30px; border: 1px solid red; padding: 10px; width: 300px;">
<span style="color: white;"><span style="font-family: "Trebuchet MS", sans-serif;">Tested

on:</span></span><br />
<br />
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Software: Windows 8,

Code</span></span></span></div>
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<div style="background: #fff; border: 1px solid red; padding: 10px;">
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">@Author: Praveen

Kanwar </span></span></span><br />
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">import java.applet.*;<br />import java.awt.*;<br />/*<applet code="SimpleApplet" width=500 height=500> </applet> */<br />public class SimpleApplet extends Applet<br />{<br />public void init()<br />{<br />    setForeground(Color.RED);<br />    setBackground(Color.BLUE);<br />}<br />    <br />public void paint(Graphics g)<br />{<br />    Font f=new Font("Arial",Font.ITALIC,20);<br />    g.setFont(f);<br />    g.drawString("Welcome to Applet Programming!",50,50);<br />}     <br />}</span></span></span></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><span style="size: small;">Output  </span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDJ4aUg40ovL_iB86MowS0D70cnnoH6xQ2jI0qsynYq0rCP6JQKGZiFSng_OOb3OvjAiJ6KzUhQVLyBLuB9bQ8dc9069IK5pVkeM_GHW3SU0MZc31c7qg_ynUy5EdccSzbHBBwuR3XLNA/s1600/simpleapplet.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhDJ4aUg40ovL_iB86MowS0D70cnnoH6xQ2jI0qsynYq0rCP6JQKGZiFSng_OOb3OvjAiJ6KzUhQVLyBLuB9bQ8dc9069IK5pVkeM_GHW3SU0MZc31c7qg_ynUy5EdccSzbHBBwuR3XLNA/s320/simpleapplet.PNG" /></a></div>
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JAVA PROGRAM TO DEMONSTRATE SIMPLE JAVA APPLET

Program Statement: Develop an applet that displays a simple message. Tested on: Software: Windows 8, Jdk 1.6, Netbeans...

JAVA APPLET PROGRAM TO SIMULATE TRAFFIC LIGHTS

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<span style="font-family: "Trebuchet MS",sans- serif; font-size: xx-small;"><span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><b>Program Statement: </b>Write a JAVA program that simulates a traffic light. The program lets the user select one of the three lights: red, yellow, green. When a radio button is selected, the light is turned on, and only one light can be on at a time. No light is on when the program starts.</span> </span></span></div>
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<div style="background: #4e9cf4; border-radius: 30px; border: 1px solid red; padding: 10px; width: 300px;">
<span style="color: white;"><span style="font-family: "Trebuchet MS", sans-serif;">Tested

on:</span></span><br />
<br />
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Software: Windows 8,

Kanwar </span></span></span><br />
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">import java.applet.*;<br />import java.awt.*;<br />import java.awt.event.*;<br />/* <applet code="TrafficLights" width=500 height=500> </applet> */<br />public class TrafficLights extends Applet implements ItemListener<br />{<br />    CheckboxGroup cbg;<br />    Checkbox r,g1,y;<br />    public void init()<br />    {<br />        cbg=new CheckboxGroup();<br />        r=new Checkbox("Red",cbg,false);<br />        g1=new Checkbox("Green",cbg,false);<br />        y=new Checkbox("Yellow",cbg,false);<br />        r.addItemListener(this);<br />        g1.addItemListener(this);<br />        y.addItemListener(this);<br />        add(r);<br />        add(g1);<br />        add(y);<br />    }<br />    public void itemStateChanged(ItemEvent ie)<br />    {<br />        repaint();<br />    }<br />    public void paint(Graphics g)<br />    {<br />        if(cbg.getSelectedCheckbox()==r)<br />        {<br />            g.setColor(Color.red);<br />            g.fillOval(150, 125,70,70);<br />        }<br />        if(cbg.getSelectedCheckbox()==g1)<br />        {<br />            g.setColor(Color.green);<br />            g.fillOval(150, 125,70,70);<br />        }<br />        if(cbg.getSelectedCheckbox()==y)<br />        {<br />            g.setColor(Color.yellow);<br />            g.fillOval(150, 125,70,70);<br />        }<br />    }<br />}</span></span></span></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><span style="size: small;">Output
</span></span></span></div>
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JAVA APPLET PROGRAM TO SIMULATE TRAFFIC LIGHTS

Program Statement: Write a JAVA program that simulates a traffic light. The program lets the user select one of the three lights: red, ye...

JAVA APPLET PROGRAM FOR HANDLING MOUSE EVENTS

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<span style="font-family: "Trebuchet MS",sans- serif; font-size: xx-small;"><span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><b>Program Statement: </b>Write a JAVA applet program for handling Mouse Events.</span></span></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRoLuAsSZzMw3Osvf37ttVQjX8a0OdQiAVMfjFhBI26glCHxw5DAGmCqEgyVE1ECQ5Z6xBh2sYq5S1vP3NCACPWyWV_mL7QbbeRR2rNegJVaVs_YpdfmhJvRvc7ichMrOrtkMdKnQP33s/s1600/JAVA_Program_Image.png" width="200" /></a></div>
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</div>
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<div style="background: #4e9cf4; border-radius: 30px; border: 1px solid red; padding: 10px; width: 300px;">
<span style="color: white;"><span style="font-family: "Trebuchet MS", sans-serif;">Tested

on:</span></span><br />
<br />
<span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: white;">Software: Windows 8,

Kanwar </span></span></span><br />
<span style="color: white; font-size: small;"><span style="font-family: "Trebuchet MS",sans- serif;"><span style="color: black;">import java.applet.*;<br />import java.awt.event.*;<br />import java.awt.*;<br />public class MouseHandling extends Applet implements MouseListener, MouseMotionListener<br />{<br />    String msg="";<br />public void init()<br />{<br />    addMouseListener(this);<br />    addMouseListener(this);<br />    <br />}<br />public void mouseEntered(MouseEvent me)<br />{<br />    setBackground(Color.RED);<br />    msg="Mouse Entered";<br />    showStatus("Mouse Entered at:"+me.getX()+","+me.getY());<br />    repaint();<br />}<br />public void mouseExited(MouseEvent me)<br />{<br />    setBackground(Color.WHITE);<br />    msg="Mouse Exited";<br />    showStatus("Mouse Exited"+me.getX()+","+me.getY());<br />    repaint();<br />}<br />public void mouseDragged(MouseEvent me)<br />{<br /> setBackground(Color.RED);<br />    msg="Mouse Dragged";<br />    showStatus("Mouse Dragged at:"+me.getX()+","+me.getY());<br />    repaint();   <br />}<br />public void mousePressed(MouseEvent me)<br />{<br />   <br />}<br />public void mouseReleased(MouseEvent me)<br />{<br />    <br />}<br />public void mouseClicked(MouseEvent me)<br />{<br /> setBackground(Color.RED);<br />    msg="Mouse Clicked";<br />    showStatus("Mouse Clicked at:"+me.getX()+","+me.getY());<br />    repaint();     <br />}<br />public void mouseMoved(MouseEvent me)<br />{<br />    setBackground(Color.RED);<br />    msg="Mouse moved";<br />    showStatus("Mouse Moved at:"+me.getX()+","+me.getY());<br />    repaint();  <br />}<br />public void paint(Graphics g)<br />{<br />    g.drawString(msg,30,30);<br />}<br />   <br />}</span></span></span></div>
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<span style="color: white;"><span style="font-family: "Trebuchet MS",sans-serif;"><span style="size: small;">Output
</span></span></span></div>
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JAVA APPLET PROGRAM FOR HANDLING MOUSE EVENTS

Program Statement: Write a JAVA applet program for handling Mouse Events. Tested on: Software: Windows 8, Jdk 1.6, Netbe...

INNOVATIVE TUTORIALS

JAVA PROGRAM TO CHECK STRING PALINDROME

JAVA PROGRAM TO DEMONSTRATE RUNTIME POLYMORPHISM

JAVA PROGRAM TO DEMONSTRATE SIMPLE JAVA APPLET

JAVA APPLET PROGRAM TO SIMULATE TRAFFIC LIGHTS

JAVA APPLET PROGRAM FOR HANDLING MOUSE EVENTS

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