回文串的判定（java版）

public static boolean huiwen(String data) {

		int len = data.length();
		for (int i = 0; i < len / 2; i++) {
			if(data.charAt(i) != data.charAt(len - i -1)) {
				return false;
			}
		}
		return true;
	}

测试

boolean huiwen = P1.huiwen("121q*1121");
		System.out.println(huiwen);