With Java, what's the difference between the JDK and the SDK???

Question

I just don't get it. I'm taking an intro do Java programming class, and the instructions are to download the Java SDK 1.5. All I see is JDK, Java EE, SDK, etc. What's the deal? Isn't JDK & SDK the same thing? If not, what's the difference?

Answer 1

You want the JDK. (The one you get from going to Java SE and clicking on the download link for JDK).



SDK is a generic term (http://en.wikipedia.org/wiki/SDK ). Sun has a whole set of libraries and tools that make up their Java platform. But you don't want the entire thing (for example, right now, you do not need Java EE). You just want the essential core, the basic java compiler and core platform. They call that the JDK to differentiate it from the entire platform SDK as a whole.

Answer 2

You only need to worry about the SDK and the JRE (java runtime environment ie. the client piece).



The SDKs contain the Sun Java System Application Server (Sun's supported distribution of GlassFish) and provide support for Java EE 5 specifications. The new Java Application Platform SDK features additional runtimes such as Open ESB with JBI and BPEL, Portlet Container, Dynamic Faces, jMaki (Ajax), Phobos, jRuby, Rome, Atom, REST, WADL, Blogapps, and Sun Java System Access Manager

Answer 3

Java Ee Sdk

Answer 4

Both are same........There is no difference between JDK and JSDK

JDK ->Java Development Kit

JSDK ->Java Software Development Kit

Answer 5

sdk is software develop kit. you could regard jdk as a sort of sdk