Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java Related Interview Questions

Questions Answers Views Company eMail

Is it possible to cast an int value into a byte variable? What would happen if the value of int is larger than byte?

958

Differentiate between a constructor and a method? Can we mark constructors final?

1204

What is the difference between heap and stack memory?

1201

What do you understand by java?

1000

Explain 5 io best practices?

1037

What are the differences between throw and throws?

1077

What is the difference between jvm and jre? What is an interface?

1100

What is the numeric promotion?

1033

What is the multi-catch block in java?

1049

What are constants?

1056

Is java platform independent?

981

Can we have multiple classes in a single file?

983

What is the exception hierarchy in java?

968

What is constructor chaining in java?

1069

What is the difference between state-based unit testing and interaction-based unit testing?

944

Un-Answered Questions { Java Related }

How to sort numbers in java without array?

995

Why session tracking is needed?

1035

Can we write any code after throw statement?

1058

How does a custom RowSetReader get called from a CachedRowSet?

1092

Why stringbuilder is not thread safe?

1042

What is your platform’s default character encoding?

1086

What is thread start?

965

Is lazy loading enabled by default?

488

How to move the cursor in scrollable resultset ?

1040

What is the difference between sleep and hibernate?

370

Garbage collection in java?

1025

Explain what are the transaction isolation levels supported by weblogic jdriver?

1020

Explain about label node?

945

What is the scope of spring beans?

434

What are the advantages of java swing over angular?

954

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