Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static final double objectToDouble(Object o) {
        if (o instanceof Number)
            return ((Number) o).doubleValue();
        try {
            if (o == null)
                return -1D;
            else
                return Double.parseDouble(o.toString());
        } catch (NumberFormatException e) {
            e.printStackTrace();
            return -1D;
        }
    }
}