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JDK upgrade and certification

Deepan Devadasan
Ranch Hand

Joined: Jan 25, 2007
Posts: 226
Hi fellas,

I am a SCJP on 1.4
Now they have the exams on the 1.5 platform as well..

and while 1.6beta is already out...i feel update my rusted memory a little...

can anyone tell me the changes that have been brought into 1.5 from 1.4

Thanks in advance

Theepan Thevathasan
SCJP 1.4, SCWCD 1.4, SCMAD 1.0 SCBCD 1.3, MCP(.Net Frm 2.0 App Dev Fdn)
Richard Parker
Ranch Hand

Joined: Jan 23, 2007
Posts: 70
Hi Theepan,

As I've been studying for the 1.5 exam, I've been keeping a list of the new things in 1.5.

So far I have:

1. Var Args
2. Enums
3. Autoboxing
4. Covariant return types
5. Enhanced "for" loop
6. StringBuilder class
7. PrintWriter now has constructors that can take in a File or a String.

The list keeps growing - I'm only on chapter 6 in the K&B book.

Hope this helps!


" takes all the running you can do to keep in the same place. <br />If you want to get somewhere else, you must run at least twice as fast as that!" <br />~ Through the Looking-Glass
Deepak Kulakrni

Joined: Oct 10, 2006
Posts: 2
Following is link which makes your query clear
marc weber

Joined: Aug 31, 2004
Posts: 11343

Originally posted by Theepan Thevathasan:
...can anyone tell me the changes that have been brought into 1.5 from 1.4...

See our SCJP FAQ: How is the SCJP 1.5 exam different from the SCJP 1.4?

And these Sun pages:
  • New Features and Enhancements - J2SE 5.0
  • J2SE 5.0 in a Nutshell

  • Since you're already certified for 1.4, note that Sun offers "upgrade" exams, which are also addressed in our FAQ. 1.5 introduced a lot of significant new features, so upgrading makes sense. As for 1.6... We'll have to wait and see what's offered in terms of exams (it could be an upgrade only), but it's clearly not as significant a jump as 1.5 was.
    [ February 03, 2007: Message edited by: marc weber ]

    "We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
    Deepan Devadasan
    Ranch Hand

    Joined: Jan 25, 2007
    Posts: 226

    This Forum is so active...

    Handful of quick replies...

    thanks to all the replies...

    Keep it up
    I agree. Here's the link:
    subject: JDK upgrade and certification
    It's not a secret anymore!