Kumaran Systems Interview Questions and Answers for Freshers

Q1. Technical round totally based on client. Client is taking interview. Technical lead has taken interview all questions related to your skill sets.
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Q2. Front-end ReactJs 1. Hooks (useEffect, useState) 2. how to increase performance of your app. 3. virtual-Dom 4. functional components Javascripts & Node: 1.SetTimeout, setImmediate given script which one w...read more
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Q1. Technical manager round 1. Introduction & project explain 2. Performance improvement technique front-end & backend 3. Logical coding question need to solve
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Q1. Salary discussion, location negotiations. They will say 3 years client will fixed but reality is different.
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Q2. Salary negotiation very quick decision.
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Oop concept, Multithread, String

Q1. How many ways to create the object in java
Ans. 
There are multiple ways to create objects in Java.
• Using the 'new' keyword

• Using object cloning

• Using object deserialization

• Using reflection

• Using factory methods

• Using dependency injection frameworks
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Q2. What is the use of final key word in java
Ans. 
The final keyword in Java is used to restrict the user from modifying the value of a variable, the definition of a method, or the inheritance of a class.
• When applied to a variable, the final keyword makes it a constant that cannot be changed.

• When applied to a method, the final keyword prevents it from being overridden by subclasses.

• When applied to a class, the final keyword prevents it from being extended by other clas...read more
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Q1. How much salary you expected
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Q2. What is the last company provided salary to you
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Q1. Java 8 features
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Q2. Stream api example
Ans. 
Stream API in Java provides a way to process collections of objects in a functional style.
• Stream API allows for easy manipulation of collections using functional programming concepts like map, filter, and reduce.

• Example: List<String> names = Arrays.asList("Alice", "Bob", "Charlie"); names.stream().filter(name -> name.startsWith("A")).forEach(System.out::println);

• Streams can be parallelized to improve performance...read more
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