Answer Posted / liza

Java Compiler creates .class file from the .java file and
this .class file comprises of bytecode,which is in encrypted
format.Java bytecode can be run on JRE.so JRE needs to be
installed for executing bytecode.

Java does not support pointer concept.That's why there is no
direct access to memory.This makes java robust and secure.

Java is provided with firewall between the networked
application and the computer.

Java provides access specifiers(
friendly(default),public,protected,private) which declare
which entity cannot be accessed from where.

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

1142

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What is the difference between normal report & matrix report?

1109

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What is the purpose of a transient variable?

1062

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What is the best definition for data?

971

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What is the difference between class & structure?

1219

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What does @override mean?

1203

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Why does java not allow multiple public classes in a java file ?

4530

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Explain the difference between an object-oriented programming language and object-based programming language?

981

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What is comparable and comparator interface? List their differences

1104

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Can inner class final?

1090

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What is a default constraint?

1067

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Can you declare the main method as final?

1013

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What is floating data type?

981

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What are runtime exceptions?

1158

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What is the difference between C++ and Java and your preferences?

1110

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