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

Core Java Interview Questions

Questions Answers Views Company eMail

what is Vector class?

2 6118

What are virtual methods?

TCS,

1 4648

What method is used to know the status of Checkbox(i.e it is checked or unchecked)?

1 4569

What are advantages of using Java?s layout managers than windowing systems?

2375

What are Access Specifiers and Access Modifiers.

TCS,

6 22034

What are E and PI?

1 4738

What are listeners in java and explain ?

TCS,

2 8723

What are packages and name a few?

4 6572

primitive data types in Java ?

3 6873

What problems will occur when you don?t use layout managers?

1 3617

What are the limitations for static method?

Greenwood,

3 31572

What are the restrictions imposed by a Security Manager on Applets?.

2618

Name the runtime exceptions that occurs frequently?

4 7200

What services that container provides?

2 5191

Name the types of 'priority'?

2 8111

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Un-Answered Questions { Core Java }

How do you override a method in java?

1014

What is java virtual machine and how it is considered in context of java’s platform independent feature?

1179

What are data types in oop?

1042

What is java used for?

1024

What is the largest data type in java?

982

What is the difference between serializable and externalizable interfaces?

1107

What is the difference between notify and notifyall method?

1229

Which sorting algorithm is best in java?

995

What is jit and its use?

994

What is a singleton puppy?

991

What is the static block?

1075

What is the difference between hashmap and hashtable in java?

1130

What is application system?

956

what is difference between equals and ==?

1073

Explain, java is compatible with all servers but not all browsers?

1069

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