eclipse.org IDE needs JRE well: netbeans java 6.1,HAS IT

eclipse.org IDE needs JRE well:
I have installed netbeans java 6.1, this mean that I have Java 5 JRE ,
and not needed JRE installation for eclipse.orgIDE install ?

Is netbeans java 6.1 = netbeans 6.1 IDE? Who use two IDE's? Why not just run eclipse?
http://wiki.netbeans.org/FaqRunningOnJre
http://www.eclipse.org/downloads/moreinfo/jre.php

netbeans java 6.1 includes JRE ? YES /NO
If yes, what version ?

No you still need the JDK
http://www.netbeans.org/kb/index.html
I would install jdk first and than eclipse

I netbeans have any common files with eclipse , if yes theJRE ?

Quote:

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Originally Posted by leonidassavvides

I netbeans have any common files with eclipse , if yes theJRE ?

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I think you're mixing a few definitions; JRE is the virtual machine, JDK is for creating applets/programs. Yes, netbeans has IDE, but you need JDK too.

http://www.java.com/en/download/faq/jre_jdk.xml

netbeans 6.5 may REPLACE dreamweaver cs4, as a tool for EDITING PHP Web Apps ?
A PHP site built via dreamweaver may edited via netbeans and vice versa ?
if yes, dreamweaver PHP templates what became in netbeans ?