Onward Technologies Inc Engineer Interview Questions and Answers

Q1. Speak something about your self
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Q2. Explanation on general programming language I have learnt
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Q3. Questions about OOPs andJava
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Q1. Core Java question and grilling on that
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Q2. Write code binary searching algorithm.
Ans. 
Binary search algorithm efficiently finds the target value in a sorted array.
• Divide array in half and compare target with middle element

• If target is smaller, search left half; if larger, search right half

• Repeat process until target is found or subarray is empty
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Q3. Give example of any design pattern
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One example of a design pattern is the Singleton pattern.
• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• It involves a static method to access the instance and a private constructor to prevent instantiation from other classes.

• Example: Singleton pattern is commonly used in logging classes, database connections, and thread pools.
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Hackerrank coding test

Q1. Java springboot java 8 angular
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Q1. Tell me about yourself.
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Q1. Oops Concepts in JAVA and SQL queries
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Oops Concepts in JAVA and SQL queries
• Object-oriented programming concepts in Java, such as inheritance, polymorphism, encapsulation, and abstraction

• SQL queries for data manipulation, retrieval, and management in relational databases

• Understanding of primary keys, foreign keys, joins, subqueries, and indexing in SQL
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Q1. Self Introduction and Why you Left Previous Company
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