Java / Object, Class and Package

Different type of cloning in Java.

Java supports 2 type of cloning: - Deep and shallow cloning. By default shallow clone is used in Java. Object class has a method clone() which does shallow cloning.

More Related questions...

Object Cloning. How to implement cloning? Can a Java source file have more than one class declaration? Example of a final class in Java API. What is the data type of System.out? Can we have two classes with same name under the same package? Can we have class name same as the interface name under the same package? What is the base class of all classes? Could a Java class file exists even without filename and only extension(.java)? Anonymous class. Difference Between ClassNotFoundException & NoClassDefFoundError. ClassNotFoundException Example. Dynamic class loading. Difference: Class.forName() vs ClassLoader.loadClass(). Which class implements clone method- Cloneable or Object in Java? Why Custom ClassLoader is required in Java? How does Java ClassLoader Work? When are class static variables loaded in memory in Java? Describe the principle of Java class loader. When a class is loaded in Java? When a class is initialized in Java? What are the rules of class initialization in Java? What is a Local class in Java? Different type of cloning in Java. Explain Shallow copy in Java. Explain deep copy in Java. Difference between shallow and deep copy in Java. What is Serialization in Java? Explain De-serialization in Java. Difference between readObject and readResolve in Java serialization. Why is Class.newInstance() is discouraged to use? Difference between Static block and initializer block in Java. What is static class in Java? Role of Runtime and System class in Java. Can an anonymous class have constructor? What are the Object class methods? Can you override Object class getClass method? When shallow object copy is preferred? How to implement equals method correctly? Good implementation of hashCode method in Java. Java equals() vs. compareTo() contract. Can two objects which are not equal have the same hashCode? What happens when equals() is not consistent with compareTo() method? Difference between instanceof and getClass() method for checking type inside equals.

Show more question and Answers...

Comments & Discussions

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

Recently added questions

What is parameter binding in MyBatis? How do you integrate MyBatis with Spring Boot? What is a SqlSessionFactory in MyBatis? How do you write a basic SELECT statement in MyBatis? What is the difference between #{} and ${} in MyBatis? What is MyBatis-Spring? What is MyBatis? What is the difference between MyBatis and Hibernate? What is a Mapper interface in MyBatis? What is a Mapper XML file? What is result mapping? What are the supported statement types in MyBatis? What is a resultMap? How do you configure a data source in MyBatis? What is the mybatis-config.xml file used for? Explain how pagination is typically implemented in MyBatis? What is the purpose of MyBatis? What are the key features of MyBatis? What is a SqlSession in MyBatis? What is dynamic SQL in MyBatis?

	Interviews Questions Java Spring Hibernate DevOps Testing API BigData Web Erlang AI Database Integration Cloud Python Scala Tools Golang SAP	About Javapedia.net Javapedia.net is for Java and J2EE developers, technologist and college students who prepare of interview. Also this site includes many practical examples. This site is developed using J2EE technologies by Steve Antony, a senior Developer/lead at one of the logistics based company. Follow Javapedia updates
	contact: javatutorials2016[at]gmail[dot]com
Kindly consider donating for maintaining this website. Thanks.
	Copyright © 2026, javapedia.net, all rights reserved. Privacy Policy · Terms of Service.