UST Java Developer Interview Questions, Process, and Tips

Q1. Spring basics and writing code
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Q2. Oops concepts abstraction, encapsulation
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A standard online test conducted through one of the testing platforms.

Q1. Java 8 features
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Q2. Rest API
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Q3. Java 8 coding problem
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Q4. Collections
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Q1. It was based on my previous project
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Q1. What is multithreading
Ans. 
Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for better performance and responsiveness.
• Multithreading allows multiple tasks to be executed simultaneously on a single CPU.

• Each thread has its own stack and runs independently, but shares the same memory space.

• Example: A web server handling multiple requests concurrently using multithreading.

• Example: A video player playing video...read more
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Q2. What is interface and abstraction
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Interface is a blueprint of a class that defines methods without implementation. Abstraction is a concept where only essential details are shown and irrelevant details are hidden.
• Interface in Java is a reference type, similar to a class, that can contain only constants, method signatures, default methods, static methods, and nested types.

• Abstraction is achieved in Java using abstract classes and interfaces. Abstract cl...read more
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Q1. You'll be ask some java terms.
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Q2. What are the 4 OOP principles
Ans. 
The 4 OOP principles are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation hides the internal state of an object and only exposes necessary information.

• Abstraction focuses on the essential characteristics of an object while hiding unnecessary details.

• Polymorphism allows objects of different classes to be treated as ob
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Q3. Some abstract question
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This is good for fresh graduates. The question can be answered and it was just 2 items.