How do you draw a thick line in Java?

How do you make a line thicker in Java?

There is no predefined method to draw a thicker line in Java. Drawing lines with a gap of one pixel makes a thicker line.

How do you draw a straight line in Java?

Java Applet | Draw a line using drawLine() method

  1. x1 – It takes the first point’s x coordinate.
  2. y1 – It takes first point’s y coordinate.
  3. x2 – It takes second point’s x coordinate.
  4. y2 – It takes second point’s y coordinate.

How do you draw a horizontal line in Java Swing?

2 Answers

  1. The Java Graphics API Tutorial => drawing in a swing component.
  2. The Java Swing Tutorial => using swing components (such as JSeparator)

How do you draw a rectangle and line in Java?

Draw a line in Java Applet:

The drawLine() method takes two pair of coordinates (x1, y1) and (y1, y2) as arguments and draws a line between them. It has the following syntax: g. drawLine(x1, y2, x2, y2); // g is the Graphics object passed to paint() method.

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What is fillRect in Java?

fillRect. public abstract void fillRect(int x, int y, int width, int height) Fills the specified rectangle. The left and right edges of the rectangle are at x and x + width – 1 . The top and bottom edges are at y and y + height – 1 .

How do you create a line in Java?

In Windows, a new line is denoted using “rn”, sometimes called a Carriage Return and Line Feed, or CRLF. Adding a new line in Java is as simple as including “n” , “r”, or “rn” at the end of our string.

What is drawLine in Java?

The drawLine() method of the Graphics class is used to draw a line with current color between two points. This method takes the following form. void drawLine(int x1, int y1, int x2, int y2) The DrawLine method can be used for drawing straight lines between two points (x1, y1) and (x2, y2) data.

What is the super keyword in Java?

The super keyword in Java is a reference variable that is used to refer parent class objects. The super() in Java is a reference variable that is used to refer parent class constructors. super can be used to call parent class’ variables and methods. super() can be used to call parent class’ constructors only.

Which package is used for networking?

Uses of Package java.net

Package Description
java.io Provides for system input and output through data streams, serialization and the file system.
java.lang Provides classes that are fundamental to the design of the Java programming language.
java.net Provides the classes for implementing networking applications.
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What is JscrollPane in Java Swing?

A JscrollPane is used to make scrollable view of a component. When screen size is limited, we use a scroll pane to display a large component or a component whose size can change dynamically.

How do I add a vertical separator in Java?

Java JSeparator Example 2

  1. import javax.swing.*;
  2. import java.awt.*;
  3. public class SeparatorExample.
  4. {
  5. public static void main(String args[]) {
  6. JFrame f = new JFrame(“Separator Example”);
  7. f.setLayout(new GridLayout(0, 1));
  8. JLabel l1 = new JLabel(“Above Separator”);

What are the two key features of Swing in Java?

Swing offers two key features:

  • Swing components are lightweight and don’t rely on peers.
  • Swing supports a pluggable look and feel. The three PLAFs available to all users are Metal (default), Windows, and Motif.

How do you program shapes in Java?

Basically, all you have to do in order to draw shapes in a Java application is:

  1. Create a new Frame .
  2. Create a class that extends the Component class and override the paint method.
  3. Use Graphics2D. …
  4. Use Graphics2D. …
  5. Use Graphics2D. …
  6. Use Graphics2D.

Which tool is used to execute an applet?

There are two standard ways in which you can run an applet : Executing the applet within a Java-compatible web browser. Using an applet viewer, such as the standard tool, applet-viewer. An applet viewer executes your applet in a window.

How do you code a shape in Java?

Basically to create simple shapes in Java:

  1. Use Line2D , Ellipse2D , Rectangle2D , RoundRectangle2D , Arc2D , Area to create some simple shapes.
  2. Then use Graphics2D class and its draw function ton paint each shape an a new Frame .
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