Snapwork Technology Java Developer Trainee Interview Questions and Answers

Q1. Tell me about your self
Ans. 
I am a passionate Java Developer with 5 years of experience in developing web applications and implementing solutions using Java technologies.
• 5 years of experience in Java development

• Strong knowledge of web application development

• Experience in implementing solutions using Java technologies
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Q2. Tell me java feature
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Java feature includes platform independence, object-oriented programming, and automatic memory management.
• Platform independence allows Java programs to run on any platform without recompilation.

• Object-oriented programming supports concepts like inheritance, encapsulation, and polymorphism.

• Automatic memory management through garbage collection helps in managing memory efficiently.
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Q3. Java interfaces
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Q4. Tell encapsulation in java
Ans. 
Encapsulation in Java is the concept of wrapping data (variables) and code (methods) together into a single unit, known as a class.
• Encapsulation helps in data hiding, as the internal state of the object is hidden from the outside world.

• It allows for better control over the data by providing getter and setter methods to access and modify the data.

• Encapsulation also helps in maintaining the integrity of the data by preve...read more
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Logical aptitude.
Spatial aptitude.
Organisational aptitude.
Physical aptitude.

Why they chose your company.
How your product solved the problem clients faced.
The measurable results of the service provided.

Q1. Self introduction for
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Q2. Introduction your self
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Q3. Why do you choose this company
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Q4. I'm like all food my
Ans. Favourite food is biriyani it's my All time favourite
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Q5. That all when I'm thinking
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Group discussion means one of the news project will be comes we're discussing about that project it's is group discussion

Q1. Questions on dotnet and SQL
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Q1. What is java ?
Ans. 
Java is a high-level programming language known for its portability, security, and object-oriented features.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

• It is object-oriented, allowing for modular and reusable code.

• Java is known for its security features, such as sandboxing and encryption.

• Popular frameworks and libraries like Spring and Hibernate are commonly used in
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Q2. Opps concepts collections
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Q3. Data structures
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Q1. Opps and collections
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Q2. Must know about collections
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Q1. What is inheritance in JAVA?
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Q2. Acquiring properties of parents class.
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Q1. What is the diffrence between == and .equals() in java?
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Q2. == : Compares refrences (memory addresses) of objects. .equals() : Compares to content (value) of objects.
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Q1. Write a short java program to check if a number is prime.
Ans. 
Java program to check if a number is prime
• Create a function that takes an integer as input

• Check if the number is less than 2, return false

• Iterate from 2 to the square root of the number, check for divisibility

• If the number is divisible by any number, return false

• Otherwise, return true
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Q2. A prime number is a number greater than 1.....etc
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A prime number is a number greater than 1 that can only be divided by 1 and itself.
• Prime numbers are integers greater than 1

• They have only two factors: 1 and the number itself

• Examples of prime numbers: 2, 3, 5, 7, 11, 13
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Q1. What is D/W array and ArrayList in .Net?
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D/W array is a dynamic array in .Net that can grow or shrink in size. ArrayList is a collection class that can store objects of any type.
• D/W array is a resizable array that automatically adjusts its size as elements are added or removed.

• ArrayList is a collection class that can store objects of any type, allowing for flexibility in data storage.

• Example: D/W array - string[] myArray = new string[5]; ArrayList - ArrayList
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Q2. Array : Fixed size, type -safe. ArrayList : Dynamic size, not type-safe.
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