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

Core Java Interview Questions

Questions Answers Views Company eMail

finalize() method?

5 11552

What is the use of bin and lib in JDK?

TCS,

8 35832

What are Transient and Volatile Modifiers?

SAP Labs, TUP Manila,

3 15572

Difference between this(), super()?

College School Exams Tests, Oracle,

12 37054

What is a package?

2 5988

What is casting?

3 6555

Difference between an argument and a parameter?

Accounting, HCL, IBM, Quinnox,

10 48123

Explain final, finalize() and finally?

Accenture, TCS,

11 38070

What are different types of access modifiers?

3 8395

What are Encapsulation, Polymorphism and Inheritance?

5 25030

Explain different ways of passing arguments to sub-routine?

1 5811

Difference between Superclass and Subclass?

7 48614

what modifiers are used with top-level class?

2 6219

What are inner and anonymous class?

3 7204

what is the Diff. between Access Specifiers and Access Modifiers?

BMC, Cyber Shot, Infosys, VTS, Wipro,

39 124396

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Un-Answered Questions { Core Java }

Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?

1091

How to implement an arraylist in java?

1163

Can we call thread start () twice?

965

What is the purpose of the finally clause of a try-catch-finally statement in java programming?

957

What is the r character?

1020

What is use of static method?

1057

What is an 8 bit word?

1050

What's the difference between comparison done by equals method and == operator?

974

Can you start a thread twice in Java?

1122

What is methodological theory?

996

How do you remove spaces in java?

1035

How is hashcode calculated in java?

1041

What is int lol?

1142

What is lexicographically smallest string?

1068

How java uses the string and stringbuffer classes?

1081

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