I am running 32 bit windows with 32 bit Eclipse Luna and 32 bit Java 7 for android development. No issue. Now I am planning to upgrade RAM and install 64 bit Windows 7. So my question is if I upgrade my Windows 7 from 32 to 64 bit, keeping all program files(which are in C drive) and then download and install 64 bit Eclipse Mars with Java 7/8 64 bit, will my workspace open and work as like now? Or I have to format C drive, install 64 bit Windows 7 and freshly install Android SDK etc ? My workspace is in D drive.
If you want to switch to 64 bit. you need to download eclipse and JAVA for 64 bit. And you can link your existing SDK to the new eclipse in windows tab. as I did the same thing in my PC it's working fine for me
Linking Android SDK to eclipse
in Eclipse--> Window --> Preferences --> Click On Android --> Browse your SDK location--> Click Ok.
It is possible to instal JRE in to Program Files for 64 bit, other JRE in to Program Files(x86) for 32 bit.
And then to change the JRE in : Windows > Preference > Java > Installed JRS's > edit or add.
Related
I know when we open an applet on 32 bit IE it requires 32 Bit JRE and vice-versa with 64 Bit.
Strange issue i noticed on my machine, is this, When i open an Applet on 64 bit IE(with 64 bit JRE) it makes an file in temp/hsperfdata_user folder but when i open same Applet on 32 bit IE(with 32 bit JRE) it not make a file in temp/hsperfdata_user folder.
I could not locate , why this happen, i stuck any help will be appreciated.
I have following version installed on my machine.
IE 11
JRE 32 bit with 1.8.0_172 version
JRE 64 bit with 1.8.0_162 version
i have downloaded and installed jdk 1.7.0_71 on my windows 7 home basic 64 bit lenovo laptop.
Now i need to download IDE.
I was recommended to install eclipse Galileo( as i will be using the same in future) IDE for Java EE Developers but i cant find 64 bit version on eclipse website.
Only 32 bit windows version is available.
Will the 32 bit version works for 64 bit and will it be compatible the jdk i have installed?
There is no 64 bit version because 64 bit Windows was not very popular at the time Galileo was released. You need 32 bit JDK to use 32 bit Eclipse. It should work on 64 bit Windows though. Are you sure you are supposed to use 6 years old Eclipse?
JDK and Eclipse are both different they are not dependent on each other, but if your system is 64bit then use JDK and eclipse 64 bit. you can download eclipse from here you can go for eclipse Luna it is latest release.
I am trying to take an Android Eclipse project that I am learning in office(Win XP 32bit 32) to my home (Win 7 64 bit java) .
I am assuming I can zip up the project folders and all sub-folders from office and import in on my home eclipse and it should work . Will there be any 32 bit - 64 bit compatibility issues?
there is no issue for x86 or x64 win os
step1 File->Import->Android->Existing Android code into Workspace, Next
step2 Select root directory: browse the existing project folder in the computer
step3: Projects->Select All
click-> Finish
Is jre 1.7 (32 bit) compatible with windows 7 64 bit OS ?
I am using jre 1.7 update 9. When I login into the application, it is not opening. This is a jre issue but I wanted to know if 64 bit OS supports 32 bit jre. Application works fine with a 64 bit jre. But I want to make it 32 bit compliant.
The Windows 32bit JRE can run on Windows 64bit.
You are saying that you're trying to "log into" your application. Is that an Applet?
If so, then you have to ensure that your browser runs in 32bit mode:
If you install the 32bit JRE, then the Java Plugin (allowing you to run Applets) will only work under 32bit browsers.
If you install the 64bit JRE, then the Java plugin will only work under 64bit browsers.
To support both 32bit and 64bit browsers, you have to install both JRE's.
When I install version 7 of Java on my windows 7 64 bit machine (I install this version 64 bit, windows with SDK) then Java does not launch when entering a website with applet. But when I use version 6 everything works fine.
On the other hand, while compiling (with Netbeans 7.1.1) everything works fine on both of these versions. Java programs also work fine when launched from command line with java command.
What is going on?
EDIT
Now I have tried reinstalling everything with Java 7 update 4 (64bits) but it still does not work. The problem might be somewhere in PATH variable because the java icon does not appear in the tray when I am entering a site with applet but still - I have added C:\Program Files\Java\jre7\bin to PATH and it does not work.
The Java Plugin must be in same hardware specification than the browser.
So if you install Java 64bits, it will run in IE 8 or 9 64bits.
But Firefox is only provided as 32 bits binary for Windows from the standard download channel. You should try with Firefox 64 bits.
Probably your Opera version is 32 bits too...
I invite you to cross-check by installing a 32 bits browser (Firefox standard binaries) and a JDK 32 bits on Windows 7 64 bits. It should work.
Its likely that your Java path environmental variables weren't updated. Check out this link. Make sure its pointing java to the 7 exe.