class Ideone {
	public static String stringRepeat(String str, int times) {
	    return new String(new char[times]).replace("\0", str);
	}
	public static void drawRectRow(String left, String filler, String right, int w) {		
					System.out.print(left + stringRepeat(filler, w - 2) + right);
	}
	public static void drawRect(int w, int h) {
		w *= 2.5; //Для ровности так как высота символа всегда больше.
		drawRectRow("╔", "═", "╗\n", w);
		for (int i = 0; i < h; i++) {
			drawRectRow("║", " ", "║\n", w);
		}
		drawRectRow("╚", "═", "╝", w);
	}
	public static void main(String[] args) {
		drawRect(10, 10);
	}
 
}

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