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A constructor is a special type of method that is automatically called when an object is created.
Constructors have the same name as the class they belong to
Constructors do not have a return type
Constructors can be used to initialize object properties
Singleton is a design pattern that restricts the instantiation of a class to one object.
Singleton pattern ensures that a class has only one instance and provides a global point of access to it.
Commonly used in scenarios where only a single instance of a class is needed, such as database connections or logging.
Implementation can involve a private constructor, a static method to access the instance, and a static variable...
Pointer in Java is a reference variable that points to the memory address of an object.
Pointers in Java are not directly accessible or manipulable by the programmer.
They are used behind the scenes for memory management and object manipulation.
Example: Integer x = new Integer(5); Integer y = x; // y now points to the same memory address as x.
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Java is a high-level programming language known for its platform independence and object-oriented approach.
Java is widely used for developing desktop, web, and mobile applications.
It is known for its robustness, security, and scalability.
Java programs are compiled into bytecode that can run on any Java Virtual Machine (JVM).
It supports multithreading, exception handling, and automatic memory management.
Popular framewor...
I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.
Collections are data structures that store and manipulate groups of objects.
Collections provide a way to organize and manage large amounts of data
They can be used to perform operations on groups of objects, such as sorting or searching
Examples of collections include arrays, lists, sets, and maps
Java 8 introduces lambda expressions, functional interfaces, streams, and default methods.
Lambda expressions allow functional programming in Java
Functional interfaces enable the use of lambda expressions
Streams provide a concise way to perform operations on collections
Default methods allow interfaces to have implementation
Date and Time API improvements
Nashorn JavaScript engine
Spring Boot is a framework for building standalone, production-grade Spring-based applications.
Spring Boot simplifies the process of creating and deploying Spring-based applications.
It provides a pre-configured environment with a set of opinionated defaults.
It includes embedded servers like Tomcat, Jetty, and Undertow.
It supports a wide range of data sources and data access technologies.
It enables easy integration with...
JPA stands for Java Persistence API, a specification for object-relational mapping in Java applications.
JPA is used to map Java objects to relational database tables.
It provides a set of annotations to define the mapping between Java classes and database tables.
JPA also supports querying data using the Java Persistence Query Language (JPQL).
I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed in Dec 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
TestNG is a testing framework for Java. Annotations like @Test, @BeforeMethod, @AfterMethod, etc. are used to define test cases and their order of execution.
@Test annotation is used to define a test case.
@BeforeMethod and @AfterMethod annotations are used to define pre and post conditions for each test case.
Test cases can be grouped using @Test annotation with 'groups' parameter.
Test cases can be prioritized using @Tes...
Selenium is a popular automation testing tool used for web applications. It has various methods and commands for testing.
Selenium WebDriver is used for automating web applications
findElement() method is used to locate an element on the web page
sendKeys() method is used to enter text into a text field
click() method is used to click on an element
getTitle() method is used to get the title of the web page
getText() method i...
I applied via Company Website and was interviewed before Oct 2021. There were 5 interview rounds.
Basic Aptitude with some difficult questions
3 set of coding question were asked 1 easy ,1 medium ,1 hard
I applied via Company Website and was interviewed before Mar 2021. There were 3 interview rounds.
The Questions in the aptitude test were Average but you need to be pretty quick to solve them sp yes speed matters in aptitude test
After aptitude there was a coding test which was not necessary to clear for ASE profile but if you clear it then you will be considered for SE profile. its better to give your all out in the coding test to gain a better career level at accenture
based on 1 interview experience
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