Netcracker Technology Senior Software Engineer interview questions

Certainly! Here are 10 interview questions that a Java developer might encounter: Explain the differences between checked and unchecked exceptions in Java. What is the difference between == and .equals() when comparing objects in Java? How does the Java Garbage Collector work, and what are some strategies to improve memory management in Java applications? Describe the Singleton design pattern in Java and provide an example of its implementation. What is the Java Virtual Machine (JVM) and how does it enable platform independence? How does the final keyword work in Java, and where might you use it? Explain the concept of multithreading in Java and how you would synchronize threads to avoid race conditions. Discuss the differences between an abstract class and an interface in Java, and when you would use each. What is the purpose of the hashCode() and equals() methods in Java, and why are they important when working with collections? How do you handle exceptions gracefully in Java, and what is the purpose of the try-catch-finally block?