Acelr Tech Labs Software Developer Interview Questions and Answers

Q1. Basic java questions
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Q2. Sql related questions
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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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Q1. Questions was based on SQL
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Q2. SQL queries and joins and
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Basic aptitude and coding problems were asked

System design and advanced algorithms were asked