JAVA Interview Prep Guide-detailed Q & A we have EVERYTHING!

This prep guide was developed with the newbie java developer in mind; to help you land that role-seriously! I have asked MANY current java developers ( literally face to face ) about what exactly was asked during their interview, and they told me without hesitation. Preparing for Java Interviews is very time consuming and difficult; you would need to maintain a good understanding of ALL the new features and revised java concepts in order to pass interviews for current java related roles in the industry today; this course will FULLY prepare you for that. I have constructed this course in a manner where you will see the interview question, and then the ANSWER right away beneath it! We wanted to make this process VERY easy and simple (no testing involved)-just memorize and/or learn the answers to the corresponding questions so you can PASS it and move on towards getting the job. Initially, you will learn to answer questions related to beginner Java concepts and theory, for instance: What are the supported platforms by Java Programming Language? List any five features of Java? Why is Java Architectural Neutral? How Java enabled High Performance? What is Java Virtual Machine and how it is considered in context of Javas platform independent feature? List some Java keywords(unlike C, C++ keywords)? What do you mean by Object? What kind of variables a class can consist of? What is a Instance Variable? What is Singleton class? List the three steps for creating an Object for a class? What is the default value of byte datatype in Java? What is a static variable? What is protected access modifier? What do you mean by Access Modifier? What do you mean by synchronized Non Access Modifier? According to Java Operator precedence, which operator is considered to be with highest precedence? When parseInt() method can be used? Why is String class considered immutable? Why is StringBuffer called mutable? What is the difference between StringBuffer and StringBuilder class? Which package is used for pattern matching with regular expressions? java. util. regex consists of which classes? What is finalize() method? What do you mean by Checked Exceptions? Which are the two subclasses under Exception class? When throws keyword is used? What things should be kept in mind while creating your own exceptions in Java? Define Inheritance? When super keyword is used? What is Polymorphism? and many other beginner Java concepts. Additionally, you will be able to handle ADVANCED java coding concepts that involve questions like: What is Abstraction?What is Abstract class?When Abstract methods are used?What is Encapsulation?What is the primary benefit of Encapsulation?What is an Interface?Give some features of Interface?Define Packages in Java?Why Packages are used?What do you mean by Multithreaded program?What are the two ways in which Thread can be created?What is an applet?An applet extend which class?Explain garbage collection in Java?Define immutable object?Explain the usage of this() with constructors?Explain Set Interface?Explain TreeSet?What is Comparable Interface?Difference between throw and throws?Define JRE i.e. Java Runtime Environment?What is JAR file?What is a WAR file?Define JIT compiler?What is the difference between object oriented programming language and object based programming language?What is the purpose of default constructor?Can a constructor be made final?What is static block?Define composition?What is function overloading?What is function overriding?Difference between Overloading and Overriding?What is final class?What is NullPointerException?What are the ways in which a thread can enter the waiting state?How does multi-threading take place on a computer with a single CPU?What invokes a thread’s run() method?Does it matter in what order catch statements for FileNotFoundException and IOException are written?What is the difference between yielding and sleeping?Why Vector class is used?How many bits are used to represent Unicode, ASCII, UTF-16, and UTF-8 characters?What are Wrapper classes?What is the difference between a Window and a Frame?Which package has light weight components?What is the difference between the paint() and repaint() methods?What is the purpose of File class?What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?Which class should you use to obtain design information about an object?What is the difference between static and non-static variables?What is Serialization and deserialization?What are use cases?Explain the use of sublass in a Java program?How to add menushortcut to menu item?Can you write a Java class that could be used both as an applet as well as an application?What is the difference between Swing and AWT components?What’s the difference between constructors and other methods?Is there any limitation of using Inheritance?When is the ArrayStoreException thrown?Can you call one constructor from another if a class has multiple constructors?What’s the difference between the methods sleep() and wait()?When Ar