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NIIT Technologies Java Interview Questions
- Question 1) What is the difference between an interface and an abstract class?
- Question 2) Explain What is Spring MVC?
- Question 3) What is abstraction?
- Question 4) What is the difference between left and right outer join?
- Question 5) Explain how HashMap works?
- Question 6) Write a factorial program using recursion in Java?
- Question 7) What is Operator overloading. Is it is supported in java?
- Question 8) How to avoid memory leak in JAVA?
- Question 9) What is EnumSet?
- Question 10) How can we create a synchronized collection from given collection?
- Question 11) What is ceil and floor in Oracle?
- Question 12) What is Singleton design pattern?
- Question 13) What is Difference between equals and hashcode method?
- Question 14) Explain Dependency Injection and its types?
- Question 15) What is difference between String buffer and String builder ?
- Question 16) What is apply operator in sql?
- Question 17) What are 4 pillers of object orinted programming?
- Question 18) What are abstract functions? Why are they used?
Below are the list of Best NIIT Technologies Java Interview Questions and Answers
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