A new feature to store classes was added in Java 8. In Java 8, there is a place known as MetaSpace where all the classes are kept. MetaSpace has replaced PermGen. The Java Virtual Machine used PermGen to store the classes prior to Java 7. Java 8 substituted MetaSpace for PermGen because...
In this post, we will some important interview questions specifically on Java 8. Java has changed a lot over years and Java 8 has introduced many new features which you need to know when you are preparing for Java interview. Here is a list of most asked Java 8 interview questions....
Optional:Optional is a final Class introduced as part of Java SE 8. It is defined in java.util package. It is used to represent optional values that are either exist or not exist. It can contain either one value or zero value. If it contains a value, we can get it. Otherwise, we ...
Core Java is the starting point of any Java interview. A strong grip on Core Java is a must to clear the Java interview for experienced as well as beginners. This article lists the most important core java interview questions with answers. 2.Java 8 Interview Questions Java 8 was a major ...
ensuring that all operations within it are either committed or rolled back as a unit. This annotation is useful for managing database transactions automatically. However, it’s important to note that Spring's @Transactional does not define one query as a "unit transaction" but rather handles the...
Java Interview Questions - Prepare for your Java interviews with these essential Java interview questions and answers. Boost your confidence and ace your next job interview.
Garbage collection is one of the most important feature of Java. Garbage collection is also called automatic memory management as JVM automatically removes the unused variables/objects (value is null) from the memory. User program cann't directly free the object from memory, instead it is the jo...
With Java 8, however, as these function literals become more widespread, it becomes more important to be able to specify default behavior without losing the “interfaceness” of the interface. Thus, Java 8 now introduces virtual extension methods (which used to be known in a previous draft as...
Looking forward to appear in Java Interview, here are the key 100+ Java Interview Questions with Answers only for you including some of the tricky questions with answers.Table of ContentsSr.No.Question 1 What are new Java8 Features? 2 Difference between GET & POST METHODS? 3 Difference betwee...
Being in IT industry for almost 15 years, I have come across some most important Core Java Interview questions, which are frequently asked in most of the interviews by MNCs. Based on my experience, I have tried to provide answers in easy words and point to point. ...