What is the Graphics.drawChars() method in Java?
Overview
The drawChars() method is used to draw the given list of characters. This method is provided by the Graphics class in the awt package.
It will draw the characters with present graphics, context color, and font.
Syntax
graphics.drawChars(data, offset, length, x, y)
Parameters
The drawChars method accepts the following parameters:
data: This parameter accepts an array of characters to be drawn.offset: This provides an index of the character from which we want to start drawing the characters.length: This provides the length of the characters to be drawn.x: This provides thexcoordinate from where we want to start drawing the text.y: This provides theycoordinate from where we want to start drawing the text.
Example
Let’s take a look at an example:
//import required packages
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Main extends JPanel {
public void paint(Graphics g) {
//provide character array
char [] chararray = {'H', 'e', 'l', 'l', 'o', ' ', 'f', 'r', 'o', 'm', ' ', 'E', 'd', 'u','c', 'a','t','i','v','e'};
//draw array of characters
g.drawChars (chararray, 0, chararray.length, 10, 50);
}
//main method
public static void main(String[] args) {
//Instantiate JFrame
JFrame frame = new JFrame();
//add panel
frame.getContentPane().add(new Main());
//Will exit the program when you close the gui
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//set width and height of the frame
frame.setSize(400,400);
//set visibility of the frame
frame.setVisible(true);
}
}
Explanation
In the above code:
- Line 11: We declare and initialize an array of characters
chararray. - Line 14: We draw characters by calling the
drawChars()method on graphics object. And we pass the parameters character array aschararray, offset as0, character length aschararray.length,xcoordinate as10, andycoordinate as50.
The output is displayed as Hello from Educative.