蓝桥杯 基础练习 回文数 JAVA

class Main {

	public static void main(String[] args) {
		for (int i = 1000; i < 10000; i++) {
			int a = i / 1000;
			int b = (i - a * 1000) / 100;
			int c = (i - a * 1000 - b * 100) / 10;
			int d = i % 10;
			if ((d * 1000 + c * 100 + b * 10 + a) == i)
				System.out.println(i);
		}
	}

}