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JDK and Java 2 SDK

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  • S Sean Cundiff

    Anyone know if there is a difference between 'JDK' and 'Java 2 SDK'? If so, what? -Sean ---- Shag a Lizard

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    Daniel Turini
    wrote on last edited by
    #2

    Sean Cundiff wrote: Anyone know if there is a difference between 'JDK' and 'Java 2 SDK'? If so, what? Ahh... And people think that MSDN is confusing :)


    It's not the fall that kills you: it's the sudden stop - Down by Law, Jim Jamursch (1986)

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    • S Sean Cundiff

      Anyone know if there is a difference between 'JDK' and 'Java 2 SDK'? If so, what? -Sean ---- Shag a Lizard

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      ZoogieZork
      wrote on last edited by
      #3

      From what I understand, the JDK was the name they used for the 1.1.x and earlier dev kits. Starting at 1.2 they started calling it the Java SDK.

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      • Z ZoogieZork

        From what I understand, the JDK was the name they used for the 1.1.x and earlier dev kits. Starting at 1.2 they started calling it the Java SDK.

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        Sean Cundiff
        wrote on last edited by
        #4

        Apparently JDK is the runtime environment only whereas the Java SDK is the full package. Both seem to be at 1.4.1_02. -Sean ---- Shag a Lizard

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        • S Sean Cundiff

          Apparently JDK is the runtime environment only whereas the Java SDK is the full package. Both seem to be at 1.4.1_02. -Sean ---- Shag a Lizard

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          Pavel Klocek
          wrote on last edited by
          #5

          The sole runtime environment is named JRE (Java Runtime Envoronment). Pavel Sonork 100.15206

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          • S Sean Cundiff

            Apparently JDK is the runtime environment only whereas the Java SDK is the full package. Both seem to be at 1.4.1_02. -Sean ---- Shag a Lizard

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            Daniel Turini
            wrote on last edited by
            #6

            Sean Cundiff wrote: Apparently JDK is the runtime environment But, what is the JRE, then?


            It's not the fall that kills you: it's the sudden stop - Down by Law, Jim Jamursch (1986)

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            • D Daniel Turini

              Sean Cundiff wrote: Apparently JDK is the runtime environment But, what is the JRE, then?


              It's not the fall that kills you: it's the sudden stop - Down by Law, Jim Jamursch (1986)

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              Sean Cundiff
              wrote on last edited by
              #7

              Maybe they're the same. When I followed the download path for JDK I ended up getting J2RE. That's the theory I'm going with. -Sean ---- Shag a Lizard

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              • S Sean Cundiff

                Maybe they're the same. When I followed the download path for JDK I ended up getting J2RE. That's the theory I'm going with. -Sean ---- Shag a Lizard

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                ZoogieZork
                wrote on last edited by
                #8

                What download path was this? The links at http://java.sun.com/j2se/1.4.1/download.html[^] only list JRE/SDK. The last release that was labelled "JDK" (Java Development Kit) was 1.2.1 (but the docs referred to it as the "SDK"). After that, it became the "Java 2 SDK". The entire history of JDK/SDK/JRE downloads is here: http://java.sun.com/products/archive/[^] Note that the JDK/SDK includes the JRE as part of the package.

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                • Z ZoogieZork

                  What download path was this? The links at http://java.sun.com/j2se/1.4.1/download.html[^] only list JRE/SDK. The last release that was labelled "JDK" (Java Development Kit) was 1.2.1 (but the docs referred to it as the "SDK"). After that, it became the "Java 2 SDK". The entire history of JDK/SDK/JRE downloads is here: http://java.sun.com/products/archive/[^] Note that the JDK/SDK includes the JRE as part of the package.

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                  Sean Cundiff
                  wrote on last edited by
                  #9

                  Hmm, it seems you're correct. The path I followed was from a software vendor who shall remain nameless. It appears that their documentation is a little out of date. -Sean ---- Shag a Lizard

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                  • S Sean Cundiff

                    Anyone know if there is a difference between 'JDK' and 'Java 2 SDK'? If so, what? -Sean ---- Shag a Lizard

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                    Katalyst
                    wrote on last edited by
                    #10

                    Here's my understanding (others have touched upon the same): 1) JDK 1.1 (a.k.a., JDK or Java Developers Kit), is the version of Java that runs in browsers by default (i.e., without the need to download a plugin). It included the virtual machine, compiler, APIs, etc. This is several years old. 2) With JDK 1.2, they started also calling it Java 2, perhaps because of the minor version number. It includes the virtual machine, compiler, browser plugin, APIs, etc. 3) In JDK 1.2 - 1.3, they had a separate distribution called JRE (Java Runtime Environment). This was intended as a "thin" distribution for running Java applications only (i.e., no compiler, debugging, APIs, etc.). Intended for end-users. 4) In JDK 1.4, there doesn't seem to be a separate distribution of the JRE, although its included in the developer's JDK distribution. The APIs and capabilities have come a long way since JDK 1.1. From virtual machine changes like the Hotspot runtime vm, to numerous API changes for graphics, collections, etc.

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                    • S Sean Cundiff

                      Anyone know if there is a difference between 'JDK' and 'Java 2 SDK'? If so, what? -Sean ---- Shag a Lizard

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                      Tomas Petricek
                      wrote on last edited by
                      #11

                      isn't JDK "Java Driver Kit" ? :wtf::~ :omg::eek: i'm only pointer to myself

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