Java / Java Serialization

Is Externalizable a marker interface in Java?

No. It has two methods readExternal and writeExternal to be implemented.

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What is Serialization in Java? How to create a serializable class in Java? Difference between Serializable and Externalizable interface in Java. Why do we need Externalizable interface? Is Serializable a marker interface in Java? Can a Serialized object be transmitted through network? Which variables are not serialized during Java Serialization? What is serialVersionUID in Java? Do we need to implement any method when using Serializable interface? What is transient variable in Java? Why static variables are not serialized in Java? Is Externalizable a marker interface in Java? What happens when one of the members of the class does not implement Serializable interface? How to prevent a child class from being serialized when it's parent class already implements Serializable interface? What are the compatible and incompatible changes in Java Serialization Mechanism? How to improve Java serialization performance? When to use Serializable versus Externalizable? List few alternatives to Java serialization. How do I serialize a collection in Java? Give more examples of compatible changes in Java serialization. Give few examples of incompatible changes in Java serialization. Which method is used during Serialization and DeSerialization process in Java? What is the value of a transient variable after de-serialization? Does having SerialVersionUID variable improve Java serialization performance? Is the constructor invoked when a Java object is de-serialized? How to generate a SerialVersionUID in Java? List few differences between Serializable and Externalizable in Java. Do primitive data types involve in serialization? What happens when a class does not define SerialVersionUID in Java? Is constructor of parent class called during DeSerialization process of child class? Difference between readResolve and readObject methods in Java serialization. How do I prevent deserialization process creating another instance of Singleton class? Is there any limit on the size of a serialized object? How do I serialize a third party library class in Java? How do I improve Serialization performance? When is the readResolve method called?

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OOPS Concepts and its implementation in Java 19 Inheritance 29 JDK, JRE, JVM, JIT 69 Java Identifiers 4 Object, Class and Package 44 Variable 9 Local Variables 6 Instance Variables (Non Static Variables) 3 Class Variables (Static Variables) 13 Package 10 Operators 9 Modifiers 29 Data types 10 Methods 39 Control Statements 14 Access Modifiers 5 Constructor 38 Interface 46 Abstract Class 19 Enum 20 Arrays 20 Strings 32 Using String 29 Exception 55 Collections 56 List and its implementations 22 Map and its implementations 39 Set and its implementations 23 Queue and its implementations 4 Regular expressions 3 Design Patterns 75 Generics 20 Casting 5 volatile 13 Java ThreadLocal 10 Java Multithreading 113 Java Multithreading part II 18 final keyword 13 static keyword 16 Java Transactions (JTA) 21 Concurrent collections 55 Java Serialization 36 JDBC 53 JNDI 17 RMI 6 JAXB 10 JMS 45 JMX 9 Servlet Interview Questions 16 log4j 19 Annotations 10 XML 14 Garbage collection 31 Programs 8 JVM 4 Java8 streams 34 JavaFX 6 Autosys Interview questions 21 The Java Virtual Machine: How and What Is It Used For? Java 11 10 Java 12 5 Top Errors You Should Avoid when Studying Programming Java 17 1 JPMS 6 Java Record Keyword 4 MapStruct Java Interview questions Java 21 Interview Questions 46 Lombok Interview questions 48 Quarkus Interview questions 50

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