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Solution

code to capture screenshot of a portion of screen

package net.codejava.graphics;

import java.awt.AWTException;

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.image.BufferedImage;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class PartialScreenCaptureExample {

public static void main(String[] args) {

        try {

            Robot robot = new Robot();

            String format = \"jpg\";

            String fileName = \"PartialScreenshot.\" + format;

            Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

            Rectangle captureRect = new Rectangle(0, 0, screenSize.width / 2, screenSize.height / 2);

            BufferedImage screenFullImage = robot.createScreenCapture(captureRect);

            ImageIO.write(screenFullImage, format, new File(fileName));

             

            System.out.println(\"A partial screenshot saved!\");

        } catch (AWTException | IOException ex) {

            System.err.println(ex);

        }

    }

}