Nexential Solutions Interview Questions, Process, and Tips

General aptitude and communication

Q1. How to avoid deadlock in Java?
Ans. 
Avoid deadlock in Java by implementing proper locking strategies and avoiding circular dependencies.
• Use a consistent order when acquiring multiple locks to prevent circular dependencies.

• Avoid holding multiple locks at the same time if possible.

• Use timeouts when acquiring locks to prevent indefinite waiting.

• Consider using higher-level concurrency utilities like Executors and Concurrent Collections to avoid manual lockin
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Q2. Difference between throw and trows
Ans. 
throw is used to explicitly throw an exception in a method, while throws is used in method signature to declare the exceptions that can be thrown by the method.
• throw is used within a method to throw an exception explicitly

• throws is used in method signature to declare the exceptions that can be thrown by the method

• throw is followed by an instance of Throwable class

• throws is followed by the exception classes separated by
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General aptitude and communication

Q1. What is data encapsulation
Ans. 
Data encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
• Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities.

• It allows for better control over the data by preventing direct access from outside the class.

• Encapsulation promotes code reusability and modularity by organizing data and methods together.

• Example: In a cl...read more
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Q1. Features of Java?
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Q2. What is local variables?
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Q3. How to handle dead lock?
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Q4. What is Encapsulation?
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Q5. Throw & throws keyword?
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Aptitude test totally relate with Full Stack Java & Spring boot, Coding part

Q1. Introduction of Interviewees, Oops concept, Stack memory, Hip memory, Framework like Springboot using project
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Q2. How many projects U had done in your entire certification course or anywhere which is relate to JaVa
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Q1. There is Asking about Family background and Salary expectations, Background verification, Documents verification
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