Answer Posted / rashmee

JRE(Java Runtime Environment)- It is Combination of JVM+Java packages+runtime libraries.
It is responsible for execution of java files

JVM(Java Virtual machine)-It is a part of JRE.It Converts byte code into machine code.

Is there a guarantee of uniqueness for entity beans?

962

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Is “abc” a primitive value?

1056

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What is the purpose of the wait() method?

1110

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What is the diffrence between a local-tx-datasource and a xa-datasource?

1000

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What is clustering? What are the different algorithms used for clustering?

1011

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What is the relation between the infobus and rmi?

954

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Why use a datasource when you can directly specify a connection details? (in a J2EE application)

4176

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What is abstract schema?

972

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What is a class loader?

1730

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What is the purpose of the finally clause of a try-catch-finally statement?

986

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What classes of exceptions may be caught by a catch clause?

980

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Why does the option tag render selected=selected instead of just selected?

1130

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Should synchronization primitives be used on bean methods?

1006

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cud u help me ... i am struggling with this question... to find all the subsets of a given set for ex.... a,,b,c shud give all the subsets.... i gt the program in c bt nt able to get it in java..... help needed ..

2155

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What are the difference between RMI and CORBA?

1059

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