Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**
     * Checks if a string passed in is numeric (IE pass in "2" and it will return true)
     * @param str String to check against
     * @return Return true if it is numeric, false if it is not
     */
    public static boolean isNumeric(String str) {
        if (str == null) {
            return false;
        }

        final int sz = str.length();
        for (int i = 0; i < sz; i++) {
            if (Character.isDigit(str.charAt(i)) == false) {
                return false;
            }
        }
        return true;
    }
}