Differences between JDK and Java SDK

Question

Is there any substantial difference between those two terms   I understand that JDK stands for Java Development Kit that is a subset of SDK  Software Development Kit   But specifying Java SDK  it should mean the same as JDK

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In my point of view there is no difference between JDK and SDK in java  We can find all development tools as well as facilities in both of them  it is just an alias provided by sun

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The JDK comes with a collection of tools that are used for developing and running Java programs   They include    appletviewer  for viewing Java applets  javac  Java compiler  java  Java interpreter  javap  Java disassembler  javah  for C header files  javadoc  for creating HTML documents  jdb  Java debugger    Whereas  the SDK comes with many other tools also including the tools available in JDKs   http   parvindersingh webs com apps forums topics show 8853125-solved-java-difference-between-jdk-and-sdk-

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Sun just likes changing the names of things for no apparent reason   Look at the three different numbering schemes for SunOS Solaris  or the two numbering schemes for Java   Is is Java 1 6  Java 2 Version 6  or Java 6

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Best example for this Question   SDK - Software Development Kit - Ex  Netbeans             JDK - Java Development Kit  This is Java compiler    Without JDK  we unable to run java programs in SDK

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There are two products JavaSE and JavaEE  EE is the web application enterprise edition that allows the development and running of web application  SE is the plain Java product that has no EE specifics in it  but is a subset of EE  The SE comes in two types a JDK and a JRE   There is one big difference that may not be obvious  and I am not sure if it applies to all Operating Systems but under Windows the JRE does not have the server HotSpot JVM  only the client one  the JDK has both  and as far as I know all other OS s have both for the JDK and the JRE  The real difference is the the JDK contains the Java compiler  that is the JDK allows you to compile and run Java from source code where as the JRE only allows the running of Java byte code  that is Source that has already been compiled  And yes newer versions bundle a number of extra components  such as NetBeans editor environment and Java in memory Database  derby cloudscape   but these are optional

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Yes  there is a difference between the SDK and the JDK   Most of people forget that Java Platform is not only used to develop programs in Java language  The JVM supports some other languages also  Thus  making it clear  the SDK is the generic bundle of software that supports software creation in a variety of languages like Clojure  Groovy  Scala  JRuby  and others  The JDK is the specific bundle to develop software in Java language  containing all Java standard API to do so   I hope I ve explaned it well  since I actually do not speak english

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From this wikipedia entry      The JDK is a subset of what is loosely defined as a software development kit  SDK  in the general sense  In the descriptions which accompany their recent releases for Java SE  EE  and ME  Sun acknowledge that under their terminology  the JDK forms the subset of the SDK which is responsible for the writing and running of Java programs  The remainder of the SDK is composed of extra software  such as Application Servers  Debuggers  and Documentation    The  extra software  seems to be Glassfish  MySQL  and NetBeans  This page gives a comparison of the various packages you can get for the Java EE SDK

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I think jdk has certain features which can be used along with particular framework  Well call it SDK as a whole   Like Android or Blackberry both use java along with their framework

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My initial guess would be that the Java SDK is for building the JVM while the JDK is for building apps for the JVM   Edit  Although this looks to be incorrect at the moment  Sun are in the process of opensourcing the JVM  perhaps they ve even finished  now  so I wouldn t be too surprised if my answer does become correct    But at the moment  the SDK and JDK are the same thing

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There s no difference between JDK and Java SDK  Both of them mean the same thing  I think it was a PR decision at Sun to change over from JDK to Java SDK  I think its back to JDK for now

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There is no difference    The Java Software Development Kit  Java SDK  used to be called the Java Development Kit  JDK  before the marketing department at Sun got crazy with the  tm  and terminology  For political reasons  amp  for sanity  they call the meaningful names  jdk   amp  versions  1 2   1 3   1 4 1 5   1 6   engineering  terms  The marketing terms are  Java2 platform   aka jdk 1 2 thru 1 4  or Java5  aka jdk 1 5  or Java6  aka jdk1 6   I m getting a headache just thinking about it

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JDK is the SDK for Java   SDK stands for  Software Development Kit    a developers tools that enables one to write the code with more more ease  effectiveness and efficiency  SDKs come for various languages  They provide a lot of APIs  Application Programming Interfaces  that makes the programmer s work easy     The SDK for Java is called as JDK  the Java Development Kit  So by saying SDK for Java you are actually referring to the JDK   Assuming that you are new to Java  there is another term that you ll come across- JRE  the acronym for Java Runtime Environment  JRE is something that you need when you try to run software programs written in Java    Java is a platform independent language  The JRE runs the JVM  the Java Virtual Machine  that enables you to run the software on any platform for which the JVM is available

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The JDK  Java Development Kit  is an SDK  Software Dev Kit    It is used to build software applications on Java and of course it includes the JRE  Java Runtime Edition  to execute that software  If you just want to execute a Java application  download only the JRE   By the way  Java EE  Enterprise Edition  contains libraries of packages of classes  with methods  functions   to build apps for the WEB environment and Java ME  Micro Edition   for mobile devices  If you are interested in it  Java ME  I would recommend to take a look at Google s Android DevKit and API   Take a look here  it s gonna explain bit more   http   www oracle com technetwork java archive-139210 html

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Taken from the Java EE 6 SDK Installer  shows what SDK 6 contains besides JDK

[sdk] Differences between JDK and Java SDK

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