Synergy Softwares Java Developer Interview Questions and Answers

Q1. Linked list question to detect cycle
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Q2. Basic questions from JS
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Q1. Some questions related to my projects
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Q2. Some Questions related to my past experience
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I applied through the careers page and after a week HR called me and scheduled an online test on Hacker Rank which contained 5 questions, 2 DSA, 1 Sql Query, 1 Rest Apis and 1 Problem Which I had to complete using IDE, that was a Spring Boot project and I need to validate the incoming request

Q1. Count the Characters in a String
Ans. 
Count the number of characters in a given string.
• Iterate through the string and increment a counter for each character encountered.

• Use the length() method of the String class to get the total number of characters.

• Consider handling edge cases like empty strings or null inputs.
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Q2. Count the Words in a String
Ans. 
Count the number of words in a given string.
• Split the string by spaces to get an array of words

• Get the length of the array to count the number of words

• Consider handling special cases like multiple spaces or punctuation
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Q1. Why you want to join our company?
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Q1. How does javascript and ajax works ?
Ans. 
JavaScript is a scripting language used for web development, while AJAX is a technique for creating asynchronous web applications.
• JavaScript is a client-side scripting language used to create interactive web pages.

• AJAX (Asynchronous JavaScript and XML) is a technique used to create asynchronous web applications.

• AJAX allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes.

• Jav...read more
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Q2. What is asynchronous operation in javascript ?
Ans. 
Asynchronous operation in JavaScript allows code to run without blocking the main thread, improving performance and user experience.
• Asynchronous operations use callbacks or promises to handle tasks that may take time to complete.

• Allows multiple operations to run concurrently without waiting for each other to finish.

• Commonly used for fetching data from APIs, handling user input, and performing time-consuming tasks.

• Examp...read more
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Online test which consists of java, angular, micro services related questions

Q1. Difference between static and default methods
Ans. 
Static methods belong to the class itself, while default methods are part of an interface in Java.
• Static methods can be called without creating an instance of the class, while default methods are used to provide a default implementation in interfaces.

• Static methods are defined using the 'static' keyword, while default methods are defined using the 'default' keyword in Java.

• Static methods cannot be overridden in subclas...read more
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A machine task is assigned you need to compete that first.

Q1. Question depends upon your profile
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Q2. Depends upon interviewer also nu specific questions as such
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30 minutes, PHP, MySQL,

Had some question about the scenario based questions