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 ignore
As a professed Java programmer, there are certain expectations from you during job interviews. Here are the top 10 Java interview questions you should be ready to answer.
Variables defined in an interface are implicitly final. A final class can’t be extended i.e., final class may not be subclassed. This is done for security reasons with basic classes like String and Integer. It also allows the compiler to make some optimizations, and makes thread safety a ...
20 Java Collections Interview Questions In java, collection interview questions are mostly asked by the interviewers. Here is the list of mostly asked
1. What is a package in Java? Packages in Java, are the collection of related classes and interfaces which are bundled together. By using packages, developers can easily modularize the code and optimize its reuse. Also, the code within the packages can be imported by other classes and reused...
9. What is OutOfMemoryError in Java? OutOfMemoryError in Java is a subclass of java.lang.VirtualMachineError and it’s thrown by JVM when it ran out of heap memory. We can fix this error by providing more memory to run the java application through java options.$>java MyProgram -...
Stringis a class in Java and is defined in thejava.langpackage. It’s not a primitive data type likeintandlong. TheStringclass represents character strings.Stringis used in almost all Java applications.Stringin immutable and final in Java and the JVM uses a string pool to store all theStri...
Learn Java programming like a pro with the help of our simplified tutorials, examples and frequently asked Java interview questions and answers.
Once you have applied, these interview questions will help you in combination with the knowledge gained in the Java training course. Here’s an updated list of top Java interview questions and answers that’ll help you in Java interviews. Top Java Interview Questions and Answers – Set 1 1)...
Java interview questions have been a critical component of tech hiring for decades. In this post, we review the Java questions you need to know.