programa en java con botón de minimizar desactivado

private final boolean[] isMouseInside = new boolean[10];
private final int[] isMousePressed = new int[10];
private final int[] isMouseReleased = new int[10];
private final int[] isMouseDragged = new int[10];
private final int[] isMouseClicked = new int[10];

private int mouseId;

void mousePressed(MouseEvent e) {
  isMouseInside[mouseId] = true;
  isMousePressed[mouseId] = 1;
  if (isMouseInside[mouseId]) {
    if (isMousePressed[mouseId] > 0) {
      isMousePressed[mouseId] = 0;
      isMouseReleased[mouseId] = 0;
      isMouseDragged[mouseId] = 0;
      isMouseClicked[mouseId] = 0;
    }
  } 
  mouseId = e.getPoint().x;
}

void mouseReleased(MouseEvent e) {
  isMouseInside[mouseId] = false;
  isMousePressed[mouseId]