hot spot VM and normal J2SE VM?

Hello everyone,I am wondering what is the differences between Java HotSpot(TM) Client VM and the J2SE VM I downloaded from java.sun.com?Are they the same thing? Why Hotspot VM has client and server version?thanks in advance,George

[265 byte] By [George4a] at [2007-11-26 17:39:52]

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# 1

> Are they the same thing?Yep.> Why Hotspot VM has client and server version? http://java.sun.com/docs/hotspot/HotSpotFAQ.html#compiler_types~

yawmarka at 2007-7-9 0:08:01 >

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# 2

The "Hotspot" VM (1) is basically a go-faster VM. It is I believe part of the standard download.The "server" mode is faster, but takes longer to start. While the client loads nice & quick, but does not do as much Cool Stuff.1) I thought Hotspot was superseded now?

mlka at 2007-7-9 0:08:02 >

# 3

> 1) I thought Hotspot was superseded now?

I don't think so.

The Java HotSpot Virtual Machine is a core component of the Java SE platform.

-- http://java.sun.com/javase/technologies/hotspot/

P.S. http://forums.devshed.com/java-help-9/hot-spot-vm-and-normal-j2se-vm-422360.html

yawmarka at 2007-7-9 0:08:02 >

# 4

According to Sun Microsystems, the Hotspot virtual machine, Sun's next-generation Java virtual machine (JVM), promises to make Java "as fast as C++." Specifically, Sun says that a platform-independent Java program delivered as bytecodes in class files will run on Hotspot at speeds on par with an equivalent C++ program compiled to a native executable. If Sun is able to make good on this claim, the current performance penalty of delivering or using a Java program will go away, at least as compared to C++. But Hotspot has one other implication important to developers: Hotspot promises to alleviate concerns that creating good object-oriented, thread-safe designs and good-quality, maintainable code will degrade performance.

excerpt from

http://www.artima.com/designtechniques/hotspot.html

♠

kilyasa at 2007-7-9 0:08:02 >

# 5

>> 1) I thought Hotspot was superseded now?> I don't think so.You are correct sir. My mind is going in old age.

mlka at 2007-7-9 0:08:02 >

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