Android String to Int Convert isNumber(final String s)

Here you can find the source of isNumber(final String s)

Description

is Number

License

Apache License

Declaration

public static boolean isNumber(final String s) 

Method Source Code

//package com.java2s;
/*/*w w w  .  j av  a  2s  . com*/
 * Copyright 2004-2011 the Seasar Foundation and the Others.
 *
 * Licensed under 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.
 */

public class Main {

    public static boolean isNumber(final String s) {
        if (s == null || s.length() == 0) {
            return false;
        }

        int size = s.length();
        for (int i = 0; i < size; i++) {
            char chr = s.charAt(i);
            if (chr < '0' || '9' < chr) {
                return false;
            }
        }

        return true;
    }
}

Related

  1. isNullOrWhiteSpace(final String string)
  2. isNum(String s)
  3. isNumber(String str)
  4. isNumber(String str)
  5. isNumber(String str)
  6. isNumberString(String input)
  7. isNumberic(String str)
  8. toInt(Object obj)
  9. toInt(String obj)