Answer Posted / laxmi narayana moru

jdk:
jdk means java development kit which contains the set of
tools like javac,java,javap,javah,javadoc to run the java
programme...
jre:
jre means java runtime environment which contains jdk and
java api
jdk is nothing but set of tools
api is a collection of predefined classes and interfaces
jvm:
jvm means java virtual machine which converts the byte code
into machine code which is understandable by the current
machine...

Explain about class in java?

1045

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I want to re-reach and use an object once it has been garbage collected. How it's possible?

954

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What does index mean in java?

925

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Why can we not override static method?

1063

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Can we execute a program without main() method?

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When do we use hashset over treeset?

987

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When should you use arraylist and when should you use linkedlist?

872

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Differences between C and Java?

1116

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What is class variable java?

958

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Explain the access modifiers for a class, method and variables?

1092

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Can we use return in constructor?

882

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What is meant by 'Class access modifiers'?

982

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what is bmg file and how to create that files?what will it contailn?

2296

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What's the purpose of using break in each case of switch statement?

928

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what is the purpose of using rmisecuritymanager in rmi?

916

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