Rechargekit Communications Software Developer Interview Questions and Answers

Q1. Basic java questions
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Q2. Sql related questions
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Recursive program of binary tree and basic HTML bootstrap

Basic aptitude followed with english and reasoning

Q1. Core java technical questions , spring , spring boot
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Q2. What is JIT in java
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JIT stands for Just-In-Time compilation in Java. It dynamically compiles bytecode into machine code at runtime for improved performance.
• JIT is a part of the Java Virtual Machine (JVM) that optimizes the execution of Java programs.

• It analyzes the frequently executed parts of the bytecode and compiles them into native machine code.

• This compilation happens at runtime, just before the code is executed, hence the name Just-...read more
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Q3. Explain lifecyxle of thread in java
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The lifecycle of a thread in Java includes several stages from creation to termination.
• A thread is created using the Thread class or implementing the Runnable interface.

• The thread goes through the new, runnable, and blocked states before running.

• Once running, the thread can be paused, resumed, or stopped.

• Finally, the thread reaches the terminated state and cannot be restarted.
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Coding questions were around the tech stack I worked on and an easy dsa question

Again discussion on tech stack I worked on and a few questions around it and coding an application of todo list in react

Q1. Discussion with the pod lead and vertical lead of the team where hiring was going on. Sort of qna system design
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Q1. Questions was based on SQL
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Q2. SQL queries and joins and
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Basic to medium questions on array string SQL

Q1. Project related questions
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It's pretty basic so you can solve it easy

Some programming questions asked like oops related