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Unlock Your Java Superpowers with 9 Mind-Blowing Mini Projects in One Ultimate Application!

9 Mind-Blowing Mini Projects in Java

In the world of Java programming, learning through practical application is often the most effective way to grasp the intricacies of the language. What if I told you that you can enhance your Java skills by working on not just one but nine mini projects, all within a single application? Yes, you heard it right! In this post, we will explore a multi-functional Java application that includes nine mini projects, each designed to sharpen your coding skills and give you hands-on experience in Java development.

9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java

Demo Video

1. Calculator ๐Ÿงฎ:

  • Start with a simple calculator that can perform basic arithmetic operations like addition, subtraction, multiplication, and division.

2. Notepad+ ๐Ÿ“:

  • Create a text editor with additional features like opening, editing, saving, and searching for text files. This project will help you work with file I/O in Java.

3. Puzzle Game ๐Ÿงฉ:

  • Build a puzzle game where users can solve jigsaw puzzles by rearranging pieces. This project will test your skills in GUI development and event handling.

4. Picture Puzzle Game ๐Ÿ–ผ๏ธ:

  • Take the puzzle game to the next level by allowing users to solve puzzles with images instead of just numbers. This will require additional image handling capabilities.

9 Mind-Blowing Mini Projects in Java

5. Tic Tac Toe Game โŒโญ•:

  • Develop a classic Tic Tac Toe game that can be played between two players or against an AI opponent. This project will delve into algorithms and logic.

6. IP Finder ๐ŸŒ:

  • Create a tool that can retrieve and display the IP address of a given website or domain. This project will involve network programming.

7. Word Count Tool ๐Ÿ“Š:

  • Build a program that analyzes a text file and counts the occurrences of each word. You’ll gain experience in working with strings and collections.

8. Source Code Generator ๐Ÿ’ป:

  • Design a source code generator that can create Java code for simple programs based on user input. This project will involve string manipulation and code generation techniques.

9. Exam System ๐Ÿ“š:

  • Develop a basic exam system where users can take quizzes with multiple-choice questions. This project will require you to manage questions, answers, and user scores.

Combining these nine mini projects into a single application not only provides you with a holistic learning experience but also demonstrates the power of modular programming. You can create separate classes or packages for each project, making your code well-organized and maintainable.

9 Mind-Blowing Mini Projects in Java | Source Code:-

9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java
9 Mind-Blowing Mini Projects in Java

Java Main File:-

package com.javatpoint;

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import java.awt.Color;
import java.awt.Font;
import javax.swing.LayoutStyle.ComponentPlacement;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;

public class JApps extends JFrame {

	private JPanel contentPane;

	/**
	 * Launch the application.
	 */
	public static void main(String[] args) {
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					JApps frame = new JApps();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public JApps() {
		setTitle("Java Nine Projects");
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 700, 771);
		contentPane = new JPanel();
		contentPane.setBackground(new Color(204, 255, 204));
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		
		JButton btnNewButton = new JButton("");
		btnNewButton.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				Notepad.main(new String[]{});
			}
		});
		btnNewButton.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/notepad.jpg")));
		
		JLabel lblJavaApplicationWorld = new JLabel("Java Application World");
		lblJavaApplicationWorld.setFont(new Font("Tahoma", Font.PLAIN, 21));
		lblJavaApplicationWorld.setForeground(new Color(204, 51, 51));
		
		JButton button = new JButton("");
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				MyCalculator.main(new String[]{});
			}
		});
		button.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/calculator.jpg")));
		
		JButton button_1 = new JButton("");
		button_1.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				IPFinder.main(new String[]{});
			}
		});
		button_1.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/ip.jpg")));
		
		JButton button_2 = new JButton("");
		button_2.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				TTT1.main(new String[]{});
			}
		});
		button_2.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/tictactoe.jpg")));
		
		JButton button_3 = new JButton("");
		
		button_3.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				picpuzzle2.main(new String[]{});
			}
		});
		
		button_3.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/picturepuzzle.jpg")));
		
		JButton button_4 = new JButton("");
		
		
		button_4.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				CharCount.main(new String[]{});
			}
		});
		button_4.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/wct.jpg")));
		
		
		JButton button_5 = new JButton("");
		button_5.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				Puzzle.main(new String[]{});
			}
		});
		button_5.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/Puzzle Game.jpg")));
		
		JButton button_6 = new JButton("");
		button_6.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				OnlineTest.main(new String[]{});
			}
		});
		button_6.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/Exam System.jpg")));
		
		JButton button_7 = new JButton("");
		button_7.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				SourceGetter.main(new String[]{});
			}
		});
		button_7.setIcon(new ImageIcon(JApps.class.getResource("/com/javatpoint/Source Code Generator.jpg")));
		GroupLayout gl_contentPane = new GroupLayout(contentPane);
		gl_contentPane.setHorizontalGroup(
			gl_contentPane.createParallelGroup(Alignment.LEADING)
				.addGroup(gl_contentPane.createSequentialGroup()
					.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
						.addGroup(gl_contentPane.createSequentialGroup()
							.addContainerGap()
							.addComponent(btnNewButton, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button_1, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE))
						.addGroup(gl_contentPane.createSequentialGroup()
							.addGap(186)
							.addComponent(lblJavaApplicationWorld))
						.addGroup(gl_contentPane.createSequentialGroup()
							.addContainerGap()
							.addComponent(button_2, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button_3, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button_4, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE))
						.addGroup(gl_contentPane.createSequentialGroup()
							.addContainerGap()
							.addComponent(button_5, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button_6, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
							.addPreferredGap(ComponentPlacement.UNRELATED)
							.addComponent(button_7, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)))
					.addContainerGap(17, Short.MAX_VALUE))
		);
		gl_contentPane.setVerticalGroup(
			gl_contentPane.createParallelGroup(Alignment.LEADING)
				.addGroup(gl_contentPane.createSequentialGroup()
					.addGap(12)
					.addComponent(lblJavaApplicationWorld)
					.addGap(18)
					.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
						.addComponent(button_1, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
						.addComponent(btnNewButton)
						.addComponent(button, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE))
					.addPreferredGap(ComponentPlacement.UNRELATED)
					.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
						.addComponent(button_2, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
						.addComponent(button_3, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
						.addComponent(button_4, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE))
					.addPreferredGap(ComponentPlacement.UNRELATED)
					.addGroup(gl_contentPane.createParallelGroup(Alignment.LEADING)
						.addComponent(button_5, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
						.addComponent(button_6, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE)
						.addComponent(button_7, GroupLayout.PREFERRED_SIZE, 209, GroupLayout.PREFERRED_SIZE))
					.addContainerGap(17, Short.MAX_VALUE))
		);
		contentPane.setLayout(gl_contentPane);
	}
}
package com.javatpoint;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class TTT1 extends JFrame implements ItemListener, ActionListener{
int i,j,ii,jj,x,y,yesnull; 
int a[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},
                {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11},{10,7,8,9,11} };
int a1[][]={{10,1,2,3,11},{10,1,4,7,11},{10,1,5,9,11},{10,2,5,8,11},
                {10,3,5,7,11},{10,3,6,9,11},{10,4,5,6,11},{10,7,8,9,11} };
				
boolean state,type,set;

Icon ic1,ic2,icon,ic11,ic22;
Checkbox c1,c2;
JLabel l1,l2;
JButton b[]=new JButton[9];
JButton reset;

public void showButton(){

x=10; y=10;j=0;
for(i=0;i<=8;i++,x+=100,j++){
 b[i]=new JButton();
if(j==3)
{j=0; y+=100; x=10;}
 b[i].setBounds(x,y,100,100);
add(b[i]);
b[i].addActionListener(this);
}//eof for

reset=new JButton("RESET");
reset.setBounds(100,350,100,50);
add(reset);
reset.addActionListener(this);

}//eof showButton

/*********************************************************/
public  void check(int num1){
for(ii=0;ii<=7;ii++){
   for(jj=1;jj<=3;jj++){
        if(a[ii][jj]==num1){ a[ii][4]=11;  }

   }//eof for jj

}//eof for ii
}//eof check
/**********************************************************/

/*********************************************************/

public void complogic(int num){

 for(i=0;i<=7;i++){
   for(j=1;j<=3;j++){
      if(a[i][j]==num){  a[i][0]=11; a[i][4]=10;    }
	  }
  }
   for(i=0;i<=7;i++){                                // for 1
     set=true;  		   
   if(a[i][4]==10){                                 //if 1 
       int count=0;
       for(j=1;j<=3;j++){                                                //for 2 
           if(b[(a[i][j]-1)].getIcon()!=null){                               //if 2
             count++;
               }                                                                   //eof if 2
            else{ yesnull=a[i][j]; }
        }                                                                         //eof for 2
      if(count==2){                                                        //if 2
         b[yesnull-1].setIcon(ic2); 
         this.check(yesnull); set=false;break;
         }                                                                     //eof if 2
      }                                                                     //eof if 1
      else
	  if(a[i][0]==10){
                for(j=1;j<=3;j++){                                            //for2
                    if(b[(a[i][j]-1)].getIcon()==null){                                          //if 1
                      b[(a[i][j]-1)].setIcon(ic2);
                        this.check(a[i][j]);
                         set=false;
						 break;
                    }                                                    //eof if1
                }                                                              //eof for 2
                if(set==false)
                      break;                                                       
            }//eof elseif

    if(set==false)
         break;    
 }//eof for 1


}//eof complogic


/*********************************************************/

TTT1(){
super("Tic tac toe");

CheckboxGroup cbg=new CheckboxGroup();
c1=new Checkbox("vs computer",cbg,false);
c2=new Checkbox("vs friend",cbg,false);
c1.setBounds(120,80,100,40);
c2.setBounds(120,150,100,40);
add(c1); add(c2);
c1.addItemListener(this);
c2.addItemListener(this);


state=true;type=true;set=true;
ic1=new ImageIcon(JApps.class.getResource("/com/javatpoint/ic1.jpg"));
ic2=new ImageIcon(JApps.class.getResource("/com/javatpoint/ic2.jpg"));
ic11=new ImageIcon(JApps.class.getResource("/com/javatpoint/ic11.JPG"));
ic22=new ImageIcon(JApps.class.getResource("/com/javatpoint/ic22.JPG"));

setLayout(null);
setSize(330,450);
setVisible(true);
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
}//eof constructor

/*************************************************************/
public void itemStateChanged(ItemEvent e){
 if(c1.getState())
  { 
 type=false;
 }

 else if(c2.getState())
  { type=true;
  }
remove(c1);remove(c2);
 repaint(0,0,330,450);
 showButton();
}//eof itemstate
/************************************************************/

public void actionPerformed(ActionEvent e){
/********************************/
if(type==true)//logicfriend
{
if(e.getSource()==reset){
 for(i=0;i<=8;i++){
   b[i].setIcon(null);
  }//eof for  
}
else{ 
  for(i=0;i<=8;i++){
      if(e.getSource()==b[i]){
       
           if(b[i].getIcon()==null){
              if(state==true){ icon=ic2;         
               state=false;} else{ icon=ic1; state=true; }
            b[i].setIcon(icon);
            }
       } 
  }//eof for
}//eof else
}//eof logicfriend
else if(type==false){                                     //  complogic
      if(e.getSource()==reset){
          for(i=0;i<=8;i++){
            b[i].setIcon(null);
          }//eof for 
       for(i=0;i<=7;i++)
        for(j=0;j<=4;j++)
		a[i][j]=a1[i][j];   //again initialsing array
        }
        else{  //complogic
            for(i=0;i<=8;i++){
               if(e.getSource()==b[i]){
                  if(b[i].getIcon()==null){ 
                           b[i].setIcon(ic1);  
                            if(b[4].getIcon()==null){
						      b[4].setIcon(ic2);
							  this.check(5);
							  } else{
						         this.complogic(i);
								 }
                    }
                 }
             }//eof for
        }
    }//eof complogic

for(i=0;i<=7;i++){
  
  Icon icon1=b[(a[i][1]-1)].getIcon();
  Icon icon2=b[(a[i][2]-1)].getIcon();
  Icon icon3=b[(a[i][3]-1)].getIcon();
     if((icon1==icon2)&&(icon2==icon3)&&(icon1!=null)){
               if(icon1==ic1){ 
                 b[(a[i][1]-1)].setIcon(ic11);
                 b[(a[i][2]-1)].setIcon(ic11); 
                 b[(a[i][3]-1)].setIcon(ic11);
	JOptionPane.showMessageDialog(TTT1.this,"You won! Click reset");			 break;
                   }
             else if(icon1==ic2){ 
             b[(a[i][1]-1)].setIcon(ic22);
             b[(a[i][2]-1)].setIcon(ic22);
             b[(a[i][3]-1)].setIcon(ic22); 
               JOptionPane.showMessageDialog(TTT1.this,"Computer won! Click reset");
                break;			 
               }
         }
    }  


}//eof actionperformed
/************************************************************/

public static void main(String []args){
new TTT1();
}//eof main
}//eof class

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