Virtusa Consulting Services Software Engineer Interview Questions, Process, and Tips

Q1. Why string is immutable
Ans. 
String is immutable to ensure thread safety and prevent unintended modification.
• Immutable strings can be safely shared across multiple threads without the risk of race conditions.

• Immutable strings prevent unintended modification, which can cause unexpected behavior in the program.

• String interning is possible because of immutability, which allows for efficient memory usage.

• Examples of immutable classes in Java include S
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Q1. What is Encapsulation?
Ans. 
Encapsulation is the process of hiding internal details of an object and providing access only through defined methods.
• Encapsulation is a fundamental principle of object-oriented programming.

• It helps in achieving data abstraction and data hiding.

• By encapsulating data and methods together, it ensures data integrity and security.

• Encapsulation allows for easy modification of internal implementation without affecting the e...read more
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Q1. Asked about oops, basic programming questions
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