Why this Java interview question?This is a test for the candidate’s understanding of streams in Java 8, which are great for performing such data processing with compact yet readable code.When asking the questio
In JPA (Java Persistence API) or Hibernate, the @Transient annotation indicates that a particular field should not be persisted in the database. This is useful when you want to mark a field that should be ignored during database operations. The field will be treated as a non-persistent fiel...
Java 8 was a major release with many new features. Some of them are Lambdas, Functional interfaces, Streams, and Date Time API. This article will help you in preparing for the interview related to these APIs. I recently wrote another article aspart-2 of java 8 interview questions. 3.Java ...
Java - I/O Streams Java Error & Exceptions Java - Exceptions Java - try-catch Block Java - try-with-resources Java - Multi-catch Block Java - Nested try Block Java - Finally Block Java - throw Exception Java - Exception Propagation Java - Built-in Exceptions Java - Custom Exception Java...
Q4. Why aren't pointers used in Java? Java is a simple programming language and thrives on keeping the coding simple. Hence, avoiding the use of pointers not only eliminates pointless complexity but also ensures that the program is safe. Avoiding the use of pointers also inhibits the direct ...
19. Explain the concepts of Buffers and Streams in Node.Js. Buffers – Buffers in Node.Js refers to the pieces of memory allocated on the user’s system used to store raw binary data. Users can only once set the size of the buffer cannot be changed. Buffers can only handle binary data...
Java 9 Module System Factory Methods for Immutable List, Set, Map, and Map.Entry Private methods in Interfaces Reactive Streams GC (Garbage Collector) Improvements You will find more details about them atJava 9 Features. 7. What are the important features of the Java 8 release?
96 What are Java Streams? 97 Why variables in interface are public, static, final? 98 Why variables in interface don’t need to declare in implementing classes? 99 What will happen if you put return statement or System.exit () on try or catch block? Will finally block execute? 100 Can...
Java 9 Module System Factory Methods for Immutable List, Set, Map, and Map.Entry Private methods in Interfaces Reactive Streams GC (Garbage Collector) Improvements You will find more details about them atJava 9 Features. 7. What are the important features of the Java 8 release?
We can't capture it bycatchCapture viacatchis not recommended. For example, Java virtual machine running error (Virtual MachineError), virtual machine memory is not enough error (OutOfMemoryError), class definition error (NoClassDefFoundError) and so on. When these exceptions occur, the Java ...