Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static boolean isInteger(String str) {
        if (isNumeric(str)) {
            double d = Double.parseDouble(str);
            return ((d % 1) == 0);
        }

        return false;
    }

    public static boolean isNumeric(String str) {
        return str.matches("-?\\d+(\\.\\d+)?"); //match a number with optional '-' and decimal.
    }
}