Cantik Technologies Java Developer Interview Questions and Answers

Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.

• Polymorphism is achieved through method overriding and method overloading.

• Method overriding allows a subclass to provide a specific implementation of a method that is already defined in its superclass.

• Method overloading allows multiple methods with the same name but different parameters ...read more

The public static void main method is the entry point of a Java program.

• It is the starting point of execution for a Java program.

• It must be declared as public, static, and void.

• It takes an array of strings as a parameter, which can be used to pass command-line arguments.

• It is the method that the Java Virtual Machine (JVM) calls to start the execution of a program.

Hibernate is an open-source object-relational mapping (ORM) framework for Java.

• Hibernate simplifies the process of mapping Java objects to database tables.

• It provides a framework for performing database operations using object-oriented programming concepts.

• Hibernate supports automatic generation of SQL queries and provides caching mechanisms for improved performance.

• It helps in managing the database transactions and pr...read more