Cravita Technologies Junior Java Developer Interview Questions, Process, and Tips

Basic aptitude test is there you have to good common sense with good handson mathmaric calculations

Q1. In which technology you are best ?
Ans. 
I am best in Java technology.
• Strong knowledge of Java programming language

• Experience with Java frameworks like Spring and Hibernate

• Familiarity with Java development tools like Eclipse or IntelliJ IDEA
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Q2. Is java object oriented or not
Ans. 
Yes, Java is object oriented.
• Java is a fully object-oriented programming language.

• It supports the four main principles of OOP: encapsulation, inheritance, polymorphism, and abstraction.

• In Java, everything is an object except for primitive data types.

• Example: classes, objects, inheritance, polymorphism, etc.
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Q3. Do you know about collection
Ans. 
Collections in Java are groups of objects that can be manipulated as a single unit.
• Collections framework in Java provides interfaces (e.g. List, Set, Map) and classes (e.g. ArrayList, HashSet, HashMap) for storing and manipulating groups of objects.

• Collections offer methods for adding, removing, and accessing elements in the group.

• Examples of collections include ArrayList, LinkedList, HashSet, and HashMap.
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Q4. What is Diffrence between tree map and tree set
Ans. 
Tree map is a map implementation while tree set is a set implementation in Java.
• Tree map stores key-value pairs in sorted order based on keys.

• Tree set stores unique elements in sorted order.

• Tree map allows duplicate values but not duplicate keys.

• Tree set does not allow duplicate elements.

• Both are implemented using Red-Black tree data structure.
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Q1. Introduce yourself
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Q2. Whats is your short term and long term goals
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Q3. Why we should hire you
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Q4. Salary expectation
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