Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static boolean isNumeric(String str) {
        if (str == null)
            return false;

        for (char c : str.toCharArray()) {
            if (!Character.isDigit(c))
                return false;
        }
        return true;
    }
}