Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static boolean isNumber(String validString) {
        byte tempbyte[] = validString.getBytes();
        for (int i = 0; i < validString.length(); i++) {
            if (tempbyte[i] < 48 || tempbyte[i] > 57) {
                return false;
            }
        }
        return true;
    }
}