is Pandigital - Java java.lang

Java examples for java.lang:Math Function

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Description

is Pandigital

Demo Code

/**/* w  w  w. java 2  s  . com*/
 *
 * maer - Solutions to problems of Project Euler
 * Copyright (C) 2011, Sandeep Gupta
 * http://www.sangupta.com/projects/maer
 *
 * The file is licensed under the the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
//package com.java2s;

import java.util.Arrays;

public class Main {
    /**
     * @param n
     * @return
     */
    public static boolean isPandigital(String num) {
        char[] digits = num.toCharArray();
        Arrays.sort(digits);
        for (int index = 0; index < digits.length; index++) {
            int d = digits[index] - '0';
            if (d != (index + 1)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @param i
     * @return
     */
    public static boolean isPandigital(long number) {
        String numString = String.valueOf(number);
        return isPandigital(numString);
    }
}

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