What is java
Basic question about the Java programming language.
Why Interviewers Ask This
Java is a cornerstone language in enterprise software. The interviewer wants to confirm the candidate's basic familiarity with the language, its features, and its ecosystem.
How to Answer This Question
Define Java as a high-level, class-based, object-oriented language. Mention its platform independence (write once, run anywhere) and widespread use in enterprise applications. Briefly touch upon key features like garbage collection and security.
Key Points to Cover
- High-level language
- Platform independence
- Object-oriented
- Enterprise use
Sample Answer
Java is a high-level, class-based, object-oriented programming language designed to have as few implementation dependencies as possible. It is renowned for its portability, allowing code to run on any device with a Java Virtual Machine (JVM). Key features include automatic memory management through garbage collection, strong typing, and a vast standard library, making it ideal for building robust enterprise applications.
Common Mistakes to Avoid
- Confusing with JavaScript
- Missing JVM concept
- Overlooking portability
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