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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is the purpose of a default constructor?

1112

Can we override the overloaded method?

1167

Can an interface have a class?

1018

Is it possible to instantiate the abstract class?

967

What are the differences between stringbuffer and stringbuilder?

1075

What are the advantages of encapsulation in java?

1031

What are the restrictions that are applied to the java static methods?

1012

Can you declare an interface method static?

1078

What are the advantages of java inner classes?

1084

Will the jvm load the package twice at runtime?

1122

Can we make constructors static?

1258

If I don't provide any arguments on the command line, then what will the value stored in the string array passed into the main() method, empty or null?

1269

What are autoboxing and unboxing? When does it occur?

981

What are the main uses of this keyword?

1080

What is the purpose of using javap?

1126

Un-Answered Questions { Java Related }

List some of the database support by hibernate?

374

What restrictions are placed on method overriding?

1204

What is the difference between save() and persist() methods of session object?

478

Write a java program that prints all the values given at command-line.

1025

How to convert hibernate query to sql query?

458

What is csrf in spring security?

534

How to know howmuch data is truncated?

2385

What is a treeset class?

1028

Why Set interface contains unique elements, what internally implemented for this so that it contains unique elements?

8134

Is set ordered?

996

What are services in spring boot? : Spring Boot

490

What do you mean by spring beans? What does bean scopes spring support? Explain each.

469

What does the ‘static’ keyword mean? Is it possible to override private or static method in java?

1005

Why vector is used in java?

1047

Should I use orm or not?

481

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