Mouse movement:
import java.awt.Robot;
 
public class MouseClass {
 public static void main(String[] args) throws Exception {
     Robot robot = new Robot();
 
     // SET THE MOUSE X Y POSITION
     robot.mouseMove(300, 550);
     }
}
Press left/right button of mouse:
import java.awt.Robot;
import java.awt.event.InputEvent;
public class MouseEvent {
 public static void main(String[] args) throws Exception {
     Robot robot = new Robot();
     // LEFT CLICK
     robot.mousePress(InputEvent.BUTTON1_MASK);
     robot.mouseRelease(InputEvent.BUTTON1_MASK);
     // RIGHT CLICK
     robot.mousePress(InputEvent.BUTTON3_MASK);
     robot.mouseRelease(InputEvent.BUTTON3_MASK);
     }
}
Click and scroll the wheel:
import java.awt.Robot;
import java.awt.event.InputEvent;
 
public class MouseClass {
 public static void main(String[] args) throws Exception {
     Robot robot = new Robot();
 
     // MIDDLE WHEEL CLICK
     robot.mousePress(InputEvent.BUTTON3_DOWN_MASK);
     robot.mouseRelease(InputEvent.BUTTON3_DOWN_MASK);
 
     // SCROLL THE MOUSE WHEEL
     robot.mouseWheel(-100);
     }
}