First National Bank Java Developer Interview Questions and Answers

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. Basics of java like string ,string builder ,Buffer,scp
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Q2. Spring boot annotaions
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Q1. About Core Java
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Q2. What is JVM & JRE
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JVM stands for Java Virtual Machine, which is responsible for running Java programs. JRE stands for Java Runtime Environment, which includes JVM along with libraries and other components necessary for running Java applications.
• JVM is an abstract machine that provides a runtime environment in which Java bytecode can be executed.

• JRE includes JVM, libraries, and other files necessary for running Java applications.

• JVM is p...read more
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Q1. Date of Joining
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Q2. When will you able to Join!
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Fibonacci, Some sql queries, Aws concepts

Q1. Java core, springboot
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Q1. Salary discussion
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Q1. JAVA 8 question
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Q2. Functional interface
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Q3. Stream API's coding question
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Q1. What is multithreading
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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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Stair climbing question

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.