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Difference between a class and a module
I came from Java, and now I am working more with Ruby.
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Simplest way to read json from a URL in java
...stion but what is the simplest way to read and parse JSON from URL in Java ?
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How to install a specific JDK on Mac OS X?
...atest for example). For this, I went to the JDK download homepage: http://java.sun.com/javase/downloads/index.jsp .
I looked for a Mac version, but I'm a bit surprised to only see downloadable versions for Linux, Windows and Solaris ...
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How many characters can a Java String have?
... palindrome for a integer of up to a million digits. I thought about using Java's functions for reversing Strings, but would they allow for a String to be this long?
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What is a StackOverflowError?
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@JB King: Doesn't really apply to Java, where only primitive types and references are kept on the stack. All the big stuff (arrays and objects) is on the heap.
– jcsahnwaldt Reinstate Monica
Jan 23 '15 at 2:25
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C# vs Java Enum (for those new to C#)
I've been programming in Java for a while and just got thrown onto a project that's written entirely in C#. I'm trying to come up to speed in C#, and noticed enums used in several places in my new project, but at first glance, C#'s enums seem to be more simplistic than the Java 1.5+ implementation....
What's wrong with Java Date & Time API? [closed]
Very often I come across negative feedback on Java Date and other date-time-related classes. Being a .NET developer, I cannot fully (without having used them) understand, what's actually wrong with them.
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What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
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How to calculate time difference in java?
... want to subtract two timeperiods say 16:00:00 from 19:00:00. Is there any java function for this? The results can be in milliseconds, seconds, or minutes.
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Difference between DTO, VO, POJO, JavaBeans?
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JavaBeans
A JavaBean is a class that follows the JavaBeans conventions as defined by Sun. Wikipedia has a pretty good summary of what JavaBeans are:
JavaBeans are reusable software components for Java that can be manipul...