Put image as jframe background

Put image as jframe background

bg.jpg

Source code below will make a jframe with bg.jpg as it's background image.

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COMPLETE SOURCE CODE FOR : PutImageOnJFrame.java
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import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;

import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.FlowLayout;

public class PutImageOnJFrame extends JPanel
{
public PutImageOnJFrame()
{
 setOpaque(false);
 setLayout(new FlowLayout());
}

public static void main(String[]args)
{
 JFrame myFrame=new JFrame("Put Image");
 JButton button1=new JButton("Sample 1");
 JButton button2=new JButton("Sample 2");
 PutImageOnJFrame c=new PutImageOnJFrame();
 c.add(button1);
 c.add(button2);
 myFrame.add(c);
 myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 myFrame.setSize(400,400);
 myFrame.setVisible(true);
}

public void paint(Graphics g)
{              //IT DEPEND ON YOUR PICTURE AND PUT IT'S LOCATION IN
 Image a=Toolkit.getDefaultToolkit().getImage("E:\\_JAVA_\\---SOURCE CODE---\\bg.jpg");
 g.drawImage(a,0,0,getSize().width,getSize().height,this);
 super.paint(g);
}

//THANKS FOR WATCHING
}

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JUST COMPILE AND EXECUTE IT.
Note : Before that, you must know your image location. Copy and paste your image location into Image a=Toolkit.getDefaultToolkit().getImage(PASTE_IN_THIS);
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Change jframe background color

Source code below will show you how to change jframe background color. You can try new color base on RGB value by change value at Color b=new Color(R_value,G_value,B_value). You can use "Color picker" above to get new R,G and B value.

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COMPLETE SOURCE CODE FOR : ChangeJFrameBackgroundColour.java
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import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Color;

public class ChangeJFrameBackgroundColour
{
public static void main(String[]args)
{
 JFrame a=new JFrame("CHANGE BACKGROUND COLOUR");

 //Now we will try change it's value
 Color b=new Color(120,255,0);

 JPanel c=new JPanel();
 c.setBackground(b);

 a.add(c);
 a.setSize(600,200);
 a.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 a.setVisible(true);

 //I hope you enjoy
 //Bye
}
}

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JUST COMPILE AND EXECUTE IT
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Pause thread in java

Source code below will print hi after pause for 5 seconds.

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COMPLETE SOURCE CODE FOR : ThreadPause.java
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public class ThreadPause extends Thread
{
public void run()
{
 //Pause thread for 5 seconds before print hi
 try
 {
  sleep(5000);
 }
 catch(Exception exception)
 {
  exception.printStackTrace();
 }

 //Print hi
 System.out.println("hi");
}

public static void main(String[]args)
{
 //Create a thread by create ThreadPause object
 ThreadPause a=new ThreadPause();

 //Start the thread
 a.start();
}
}

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JUST COMPILE AND EXECUTE IT
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Stop thread in java

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COMPLETE SOURCE CODE FOR : StopThread.java
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import javax.swing.JOptionPane;

public class StopThread implements Runnable
{
int currentValue=0;

public void run()
{
 while(true)
 {
  JOptionPane.showMessageDialog(null,"currentValue = "+currentValue);

  String temp=JOptionPane.showInputDialog(null,"CHOOSE 1 OR 2\n1-Continue Thread\n2-Stop Thread");

  if(temp.equals("2"))
  {
   JOptionPane.showMessageDialog(null,"Thread Stop, Bye");
   return;//This will make thread stop
  }
  else if(temp.equals("1"))
  {
   currentValue=currentValue+1;
   JOptionPane.showMessageDialog(null,"Please stop me, i'm tired\ncurrentValue will add one");
  }
  else
  {
   JOptionPane.showMessageDialog(null,"I don't know your input");
  }
 }
}

public static void main(String[]args)
{
 //Create a thread by create StopThread object
 StopThread a=new StopThread();

 //run thread
 a.run();
}
}

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JUST COMPILE AND EXECUTE IT
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Create thread in java

Create thread in java

COMPLETE SOURCE CODE FOR CreateThread.java

public class CreateThread implements Runnable
{
   //all thread implementation will be put in run method
   public void run()
   {
       //Print hi
       System.out.println("HI");
   }
 
   public static void main(String[]args)
   {
       //Create thread by create CreateThread object
       CreateThread a=new CreateThread();
     
       //run the thread
       a.run();
   }
}

JUST COMPILE AND EXECUTE IT

Simple Shutdown Timer For Windows XP

Source code below will show you how to create simple shutdown timer for Windows XP.

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COMPLETE SOURCE CODE FOR : ShutdownComputer.java
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import javax.swing.JOptionPane;

public class ShutdownComputer
{
public static void main(String[]args)
{
 int wholeTimeBeforeShutdown=0;

 int hour=0;
 int minute=0;
 int second=0;

 try
 {
  String a=JOptionPane.showInputDialog(null,"HOUR","HOUR BEFORE SHUTDOWN",JOptionPane.QUESTION_MESSAGE);
  String b=JOptionPane.showInputDialog(null,"MINUTE","MINUTE BEFORE SHUTDOWN",JOptionPane.QUESTION_MESSAGE);
  String c=JOptionPane.showInputDialog(null,"SECOND","SECOND BEFORE SHUTDOWN",JOptionPane.QUESTION_MESSAGE);
 
  if((a==null)||(a.equals("")))
  {
   a="0";
  }
 
  if((b==null)||(b.equals("")))
  {
   b="0";
  }
 
  if((c==null)||(c.equals("")))
  {
   c="0";
  }
 
  int e=Integer.parseInt(a);
  int f=Integer.parseInt(b);
  int g=Integer.parseInt(c);
 
  wholeTimeBeforeShutdown=wholeTimeBeforeShutdown+((e*60)*60);
  wholeTimeBeforeShutdown=wholeTimeBeforeShutdown+(f*60);
  wholeTimeBeforeShutdown=wholeTimeBeforeShutdown+(g);
 
  wholeTimeBeforeShutdown=wholeTimeBeforeShutdown*1000;
 
  Thread.sleep(wholeTimeBeforeShutdown);
 
  Runtime.getRuntime().exec("shutdown -s -t 00 -f");
 }
 catch(Exception exception)
 {
  exception.printStackTrace();
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Remove element from array

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COMPLETE SOURCE CODE FOR : RemoveElementFromAnArray.java
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public class RemoveElementFromAnArray
{
public static void main(String[]args)
{
 //Now we want to remove last element,"crocodile"
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Step 1:Create a temp array with sizeArrayAnimal-1
 String[]temp=new String[animal.length-1];

 //Step 2:Copy element from "lion" to "elephant" into array temp
 System.arraycopy(animal,0,temp,0,(animal.length-1));

 //Make animal array point to temp array
 animal=temp;

 //Print all element in animal
 int temp2=0;
 while(temp2!=animal.length)
 {
  System.out.println(animal[temp2]);
  temp2=temp2+1;
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Add element in array

Note : Source code below will show you how to add new element in a created array. It will add "monkey" word in an array that contains "lion","tiger","elephant","crocodile" word.

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COMPLETE SOURCE CODE FOR : AddElementInArray.java
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public class AddElementInArray
{
public static void main(String[]args)
{
 //Create array with it's component
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Add an element - "Monkey"
 String a="monkey";

 //Step 1:Create temp array (size=(arrayThatWeWantToAddElement)+1)
 String[]temp=new String[(animal.length)+1];
 System.arraycopy(animal,0,temp,0,animal.length);
 temp[temp.length-1]=a;

 //Make animal array point to temp array
 animal=temp;

 //Print all element in animal
 int temp2=0;
 while(temp2!=animal.length)
 {
  System.out.println(animal[temp2]);
  temp2=temp2+1;
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Copy all contents from one array to other array

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COMPLETE SOURCE CODE FOR : CopyArray.java
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public class CopyArray
{
public static void main(String[]args)
{
 //Create array with it's component
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Create empty array with size same as animal
 String[]animal2=new String[animal.length];

 //Copy all element in animal into animal2
 System.arraycopy(animal,0,animal2,0,animal.length);

 //Print all element in animal2
 int temp=0;
 while(temp!=(animal.length))
 {
  System.out.println(animal2[temp]);
  temp=temp+1;
 }
}
}

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JUST COMPILE AND EXECUTE IT
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Convert primitive type to string in java

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COMPLETE SOURCE CODE FOR : ConvertPrimitiveTypeToString.java
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public class ConvertPrimitiveTypeToString
{
public static void main(String[]args)
{
 //boolean
 String a=String.valueOf(true);
 System.out.println("boolean : "+a);

 //byte
 a=String.valueOf((byte)9);
 System.out.println("byte : "+a);

 //char
 a=String.valueOf('a');
 System.out.println("char : "+a);

 //short
 a=String.valueOf((short)9);
 System.out.println("short : "+a);

 //int
 a=String.valueOf(9);
 System.out.println("int : "+a);

 //long
 a=String.valueOf(9L);
 System.out.println("long : "+a);

 //float
 a=String.valueOf(9.0F);
 System.out.println("float : "+a);

 //double
 a=String.valueOf(9.0D);
 System.out.println("double : "+a);
}
}

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JUST COMPILE AND EXECUTE IT
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