Recent questions in JAVA

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Difference between Composition, Aggregation and Association in OOP?

asked Jan 27, 2020 in JAVA by rahuljain1

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The difference between nested public static class and a top level class in Java?

asked Jan 27, 2020 in JAVA by rahuljain1

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Describe overloading and overriding in Java?

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2 answers

The difference between Inheritance and Composition?

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When do you use Composite design pattern?

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When do you use Visitor design pattern?

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What is Template method pattern?

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Difference between Adapter and Proxy Pattern?

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Difference between Adapter and Decorator pattern?

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What is difference between dependency injection and factory design pattern?

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Which one is better constructor injection or setter dependency injection?

asked Jan 27, 2020 in JAVA by rahuljain1

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What is an abstract class? How is it different from an interface?

asked Jan 27, 2020 in JAVA by rahuljain1

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What is Adapter pattern in Java

asked Jan 27, 2020 in JAVA by rahuljain1

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What is Law of Demeter violation? Why it matters?

asked Jan 27, 2020 in JAVA by rahuljain1

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Can you explain Liskov Substitution principle?

asked Jan 27, 2020 in JAVA by rahuljain1

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Which design pattern have you used in your production code? apart from Singleton?

asked Jan 27, 2020 in JAVA by rahuljain1

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Explain difference between abstract class and interface in Java?

asked Jan 27, 2020 in JAVA by rahuljain1

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What is the interface? Why you use it if you cannot write anything concrete on it?

asked Jan 27, 2020 in JAVA by rahuljain1

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How do you format a date in Java?

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Does SimpleDateFormat is safe to use in the multi-threaded program?

asked Jan 27, 2020 in JAVA by rahuljain1

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Name couple of method overloading best practices in Java?

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Name 5 JDBC best practices your follow?

asked Jan 27, 2020 in JAVA by rahuljain1

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Name 5 IO best practices?

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Can you tell us at least 5 best practice you use while using threads in Java?

asked Jan 27, 2020 in JAVA by rahuljain1

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Tell me few best practices you apply while using Collections in Java?

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What best practices you follow while writing multi-threaded code in Java?

asked Jan 27, 2020 in JAVA by rahuljain1

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Why you need to override hashcode, when you override equals in Java?

asked Jan 27, 2020 in JAVA by rahuljain1

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What is the difference between Comparator and Comparable in Java?

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Can we use random numbers in the hashcode() method?

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Can two equal object have the different hash code?

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Recent questions in JAVA

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