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  1. 123

    In Java, unlike C/C++ where graphics.h is used, drawing graphics is done using AWT or Swing with the Graphics or Graphics2D classes. The drawLine() method is the direct equivalent for drawing a line between two points.

    Below is a simple Swing example that draws a line on a window.

    Steps to Implement

    1. Create a Swing Component Extend JFrame or JPanel and override the paintComponent() (for JPanel) or paint() (for JFrame) method.

    2. Use Graphics/Graphics2D Call drawLine(x1, y1, x2, y2) to draw a line between two coordinates.

    3. Run the Application Use SwingUtilities.invokeLater() to ensure thread safety for GUI creation.

    Example Code

    import javax.swing.*;
    import java.awt.*;
    import java.awt.geom.Line2D;

    public class LineDrawingExample extends JPanel {

    @Override
    protected void paintComponent(Graphics g) {
    super.paintComponent(g);

    // Upgrade to Graphics2D for advanced features
    Graphics2D g2d = (Graphics2D) g;

    // Set color and stroke thickness
    g2d.setColor(Color.RED);
    g2d.setStroke(new BasicStroke(3));

    // Draw a simple line
    g2d.drawLine(50, 50, 250, 50);

    // Draw using Line2D for floating-point precision
    g2d.setColor(Color.BLUE);
    g2d.draw(new Line2D.Double(50.5, 100.5, 250.5, 100.5));
    }

    public static void main(String[] args) {
    SwingUtilities.invokeLater(() -> {
    JFrame frame = new JFrame("Draw Line Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new LineDrawingExample());
    frame.setSize(400, 200);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
    });
    }
    }
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    فیڈ بیک
  2. javaspring.net
    https://www.javaspring.net › blog › java-draw-a-lineاس نتیجے کا ترجمہ کریں

    Drawing Lines in Java: A Comprehensive Guide — javaspring.net

    16 جنوری، 2026 · Whether you are developing a simple 2D game, a data visualization tool, or a CAD application, the ability to draw lines accurately and efficiently is crucial. This blog will explore the …

    javaspring.net سے صرف نتائج دیکھیں
  3. Stack Overflow
    https://stackoverflow.com › questionsاس نتیجے کا ترجمہ کریں

    Java Simple Line Drawing Program - Stack Overflow

    2 اکتوبر، 2011 · I want to create a simple java application for drawing only lines. My program is like that now; User can draw everything by draggin his mouse, but by the time he release his finger, I deleted

  4. CodeJava.net
    https://www.codejava.net › java-se › graphi…اس نتیجے کا ترجمہ کریں

    Drawing lines examples with Java Graphics2D

    10 اگست، 2019 · In this Java graphics tutorial, you will learn how to draw lines with various code examples. A line is a graphics primitive that connects two points. In …

  5. codingtechroom.com
    https://codingtechroom.com › question › draw-lines-in-javaاس نتیجے کا ترجمہ کریں

    How to Draw Lines in Java Using Graphics and AWT

    Learn how to draw lines in Java with Graphics and AWT. Step-by-step guide with code snippets and common mistakes to avoid.

  6. Delft Stack
    https://www.delftstack.com › howto › java › …اس نتیجے کا ترجمہ کریں

    How to Draw a Line in Java - Delft Stack

    11 مارچ، 2025 · We will import the java.applet.Applet, java.awt and java.awt.event package from the library. The drawLine() method of the Graphics class is used to …

  8. Aspose Knowledge Base
    https://kb.aspose.com › drawing › java › draw-lines-in-javaاس نتیجے کا ترجمہ کریں

    Draw Lines in Java

    11 فروری، 2025 · This topic explains to draw lines in Java. It includes the environment configuration, step-by-step logic, and a working sample code for easy line drawing in Java.

  9. Computer Science at Princeton
    https://introcs.cs.princeton.edu › java › stdlib › javadoc › ...اس نتیجے کا ترجمہ کریں

    Class StdDraw - Princeton University

    The StdDraw class provides static methods for creating drawings with your programs. It uses a simple graphics model that allows you to create drawings consisting of points, lines, squares, circles, and …

  10. Github
    https://github.com › MuhamedHekal › java-drawing-applicationاس نتیجے کا ترجمہ کریں

    GitHub - MuhamedHekal/java-drawing-application: A simple ...

    A simple drawing application built using Java and AWT (Abstract Window Toolkit). This project allows users to draw shapes like lines, rectangles, ovals, and freehand sketches. It also includes an eraser …

  11. javaspring.net
    https://www.javaspring.net › blog › drawline-javaاس نتیجے کا ترجمہ کریں

    Mastering `drawLine` in Java: A Comprehensive Guide

    16 جنوری، 2026 · In Java, the Graphics class provides a set of methods for drawing various shapes, including lines. A Graphics object represents a graphics context, which is a destination for drawing …

  12. learn-it-university.com
    https://learn-it-university.com › creating-straight-lines...اس نتیجے کا ترجمہ کریں

    Creating Straight Lines in Java: A Step-by-Step Guide

    9 جولائی، 2024 · By creating instances of the LinesComponent class, specifying line coordinates, colors, and utilizing Swing components like JFrame and JButton, you can dynamically draw and clear lines …

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