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Thread: Loops and number programs ZI

  1. #26
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    Default How to choose multiple options with for loops

    import javax.swing.*;
     
    import java.awt.AWTException;
    import java.awt.Color;
    import java.awt.Graphics;
    import java.awt.Robot;
    import java.awt.color.*;
    import java.awt.event.MouseEvent;
    import java.awt.event.MouseListener;
    import java.util.Random;
     
    public class Tanierik extends JPanel implements MouseListener {
    	static int cislo = 0;
    	static Random rand = new Random ();
    	static int n = rand.nextInt(9);
     
    	public void paint (Graphics g) {
    		setSize(1000,600);
    		int x = 100;
    		for(int i = 0; i<9; i++) {
    			g.setColor(Color.ORANGE);
    			g.fillOval(x, 100, 100, 100);
    			g.setColor(Color.RED);
    			g.fillOval(x+25, 125, 50, 50);
    			x+=100;
    		}
    	}
    	public static void main (String[] args) {
    		JFrame MainFrame = new JFrame();
    		MainFrame.setSize(1100, 700);
    		Tanierik c = new Tanierik();
    		MainFrame.add(c);
    		MainFrame.setVisible(true);
    		JLabel lblNewLabel = new JLabel("");
    		lblNewLabel.setBounds(200, 200, 100, 100);
    		MainFrame.add(lblNewLabel);
    		MainFrame.addMouseListener(new MouseListener() {
    			@Override
    			public void mouseClicked(MouseEvent e) {
    				// TODO Auto-generated method stub
    				int x=e.getX();
    			    int y=e.getY();
    			    	if(y>90 && y<210) {
    			    		if (x>100 && x<=201) {
    			    			cislo = 0;
    			    		}
    			    		if (x>201 && x<=301) {
    			    			cislo = 1;
    			    		}
    			    		if (x>301 && x<=401) {
    			    			cislo = 2;
    			    		}
    			    		if (x>401 && x<=501) {
    			    			cislo = 3;
    			    		}
    			    		if (x>501 && x<=601) {
    			    			cislo = 4;
    			    		}
    			    		if (x>601 && x<=701) {
    			    			cislo = 5;
    			    		}
    			    		if (x>701 && x<=801) {
    			    			cislo = 6;
    			    		}
    			    		if (x>801 && x<=901) {
    			    			cislo = 7;
    			    		}
    			    		if (x>901 && x<=1001) {
    			    			cislo = 8;
    			    		}
    			    		if (cislo<n) {
    			    			lblNewLabel.setText("Viac vpravo");
    			    		}
    			    		if (cislo>n) {
    			    			lblNewLabel.setText("Viac vlavo");
    			    		}
    			    		if (cislo==n) {
    			    			lblNewLabel.setText("Vyhrali ste");
    			    		}
    			    	}
    				}
     
    			@Override
    			public void mouseEntered(MouseEvent e) {
    				// TODO Auto-generated method stub
     
    			}
     
    		});
    	}
    	@Override
    	public void mouseClicked(MouseEvent e) {
    		// TODO Auto-generated method stub
     
    	}
    }
    Last edited by DonnyWatts; May 21st, 2019 at 02:13 AM.

  2. #27
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    Default Sum and export PGA

    		String thisLine = null;
    		String text = "";
     
    	        try{
    	    		BufferedReader br = new BufferedReader( new FileReader( new File(("c:\\users"))));
    	    		while ((thisLine = br.readLine()) != null) {
    	    			  for(int j = thisLine.length()-1; j>=0; j--) {
    	    				  if(thisLine.charAt(j)=='.') {
    		    				text = text + "\n";
    	    				  }
    	    				  text = text + thisLine.charAt(j);
    	    				  }
    				num = Integer.parseInt(strLine) + num;
    			  	sum++;
    	    		}
    	    		br.close();
    	    		} catch(Exception e) {
    	    		e.printStackTrace();
    	    		}
     
    	        System.out.print(text);
     
    	        JFileChooser chooser = new JFileChooser();
    			chooser.setCurrentDirectory(new File("/Users"));
    		    int retrival = chooser.showSaveDialog(null);
    		    if (retrival == JFileChooser.APPROVE_OPTION) {
    		    	try {
    					BufferedWriter out = new BufferedWriter(new FileWriter(
    							chooser.getSelectedFile()+".txt"));
    					out.write(text);
    					out.close();
    					} catch(IOException e) {
    					e.printStackTrace();
    					}
    		    }

  3. #28
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    Default The same numbers if statement vws

    import java.awt.BorderLayout;
    import java.awt.EventQueue;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
     
    import javax.swing.JFrame;
    import javax.swing.JPanel;
    import javax.swing.Timer;
    import javax.swing.border.EmptyBorder;
    import java.util.TimerTask;
    import java.util.Random;
    import java.util.Scanner;
    import javax.swing.JLabel;
    import javax.swing.JOptionPane;
    import javax.swing.JButton;
    import java.awt.Font;
     
     
    public class VideoStop extends JFrame {
     
    	private JPanel contentPane;
    	int count = 100;
    	int delay = 1000;
    	Timer stopwatch;
    	private JLabel lblCislo1;
    	private JLabel lblCislo2;
    	private JLabel lblVyhra;
    	int n;
    	int l;
    	private JButton btnRovnake;
     
    	public static void main(String[] args) {
    		EventQueue.invokeLater(new Runnable() {
    			public void run() {
    				try {
    					VideoStop frame = new VideoStop();
    					frame.setVisible(true);
    				} catch (Exception e) {
    					e.printStackTrace();
    				}
    			}
    		});
    	}
     
    	public VideoStop() {
     
    		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    		setBounds(100, 100, 450, 300);
    		contentPane = new JPanel();
    		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
    		setContentPane(contentPane);
    		contentPane.setLayout(null);
     
    		lblCislo1 = new JLabel("");
    		lblCislo1.setFont(new Font("Tahoma", Font.PLAIN, 24));
    		lblCislo1.setBounds(10, 26, 132, 224);
    		contentPane.add(lblCislo1);
     
    		lblCislo2 = new JLabel("");
    		lblCislo2.setFont(new Font("Tahoma", Font.PLAIN, 24));
    		lblCislo2.setBounds(277, 26, 147, 224);
    		contentPane.add(lblCislo2);
     
    		btnRovnake = new JButton("Rovnake?");
    		btnRovnake.setBounds(152, 227, 115, 23);
    		contentPane.add(btnRovnake);
     
    		lblVyhra = new JLabel("");
    		lblVyhra.setBounds(182, 64, 46, 14);
    		contentPane.add(lblVyhra);
    		btnRovnake.addActionListener(new ActionListener() {
    			public void actionPerformed(ActionEvent arg0) {
    				if (btnRovnake.getText() == "Nova hra") {
    					stopwatch.start();
    					System.out.println("OPERACIA");
    				}
    				if (btnRovnake.getText() == "Rovnake?") {
    					System.out.println("toto");
    					if(Integer.parseInt(lblCislo1.getText()) == Integer.parseInt(lblCislo2.getText())) {
    						btnRovnake.setText("Nova hra");
    						stopwatch.stop();
    						JOptionPane.showMessageDialog(contentPane, "Vyhrali ste", "Hura", 0);
    						System.out.println("if");
    					}
    					else {
    						btnRovnake.setText("Nova hra");
    						stopwatch.stop();
    						JOptionPane.showMessageDialog(contentPane, "Prehrali ste", "Hura", 0);
    						System.out.println("else");
    					}
    				}
    			}
    		});
    		startTimer();
    	}
    	public void startTimer() {
    		ActionListener action = new ActionListener() {
    			public void actionPerformed(ActionEvent e) {
    					Random rand = new Random();
    					int n = rand.nextInt(10);
    					int l = rand.nextInt(10);
    					lblCislo1.setText(Integer.toString(n));
    					lblCislo2.setText(Integer.toString(l));
    					btnRovnake.setText("Rovnake?");
    				}
    			};
    		stopwatch = new Timer (delay, action);
    		stopwatch.setInitialDelay(0);
    		stopwatch.start();
    	}
    }
    Last edited by DonnyWatts; May 21st, 2019 at 02:14 AM.

  4. #29
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    Default How to flip a picture using the simplest method ikn

    	public static boolean copy = false;
    	public static boolean turn = false;
     
    	public static BufferedImage image = null;
     
     
    	public GrafEditor() {
    		try {
    			image = ImageIO.read(new File("c:\\users"));
     
    		} catch(IOException e) {
    			e.printStackTrace();
    		};
     
     
    		JButton btnCopy = new JButton("Copy");
    		btnKopia.addMouseListener(new MouseAdapter() {
    			@Override
    			public void mouseClicked(MouseEvent arg0) {
     
    				copy = true;
    				repaint();
    			}
    		});
     
    		JButton btnZrkadloY = new JButton("Mirror Y");
    		btnZrkadloY.addMouseListener(new MouseAdapter() {
    			@Override
    			public void mouseClicked(MouseEvent e) {
    				turn = true;
    				repaint();
    			}
    		});
     
    	}
    ...
     
    	@Override
    	public void paint(Graphics g)
    	{
    		super.paint(g);
    		boolean drawImage = g.drawImage(image, 0, 100, 320, 240, null, null);
     
    		if(copy) {
    			if(turn) {
    				g.drawImage(image, 760, 100, -320, 240, null, null);
     
    			} else {
    				g.drawImage(image, 440, 100, 320, 240, null, null);
    			}
     
    		}
     
    		System.out.print("XXX");
    	}
    Last edited by DonnyWatts; May 21st, 2019 at 02:15 AM.

  5. #30
    Super Moderator Norm's Avatar
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    Default Re: Simple Text editor TS

    Do you have a java programming question?

    I've merged all the code with no questions or comments into a single thread.
    If you don't understand my answer, don't ignore it, ask a question.

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