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) {
        for (int i = 0; i < str.length(); i++) {
            System.out.println(str.charAt(i));
            if (!Character.isDigit(str.charAt(i))) {
                return false;
            }
        }
        return true;
    }
}