What is reflection and what is its use in Java?

Asked by Last Modified  

7 Answers

Learn Java

Follow 0
Answer

Please enter your answer

Tutor

Its generally meant for redefining the definition of objected oriented features in more depth to intensify its object oriented design.
Comments

Tutor

to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time
Comments

Talent with Professional Experience

Reflection is meant to load class at runtime without making it's object
Comments

Senior Software Engineer

The name reflection is used to describe code which is able to inspect other code in the same system (or itself). For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed...
read more
The name reflection is used to describe code which is able to inspect other code in the same system (or itself). For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called 'doSomething' and then call it if you want to. read less
Comments

Trainer

Java Reflection makes it possible to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time. It is also possible to instantiate new objects, invoke methods and get/set field values using reflection
Comments

Reflection is an API in java , you can say reflection API is like mirror. using reflection api you can get all the information of class . For example : you can find how many methods/annotation available in particular class.and their name, argument . ..etc..
Comments

Trainer

Java Reflection is a process of examining or modifying the run time behavior of a class at run time. The java.lang.Class class provides many methods that can be used to get metadata, examine and change the run time behavior of a class. The java.lang and java.lang.reflect packages provide classes...
read more
Java Reflection is a process of examining or modifying the run time behavior of a class at run time. The java.lang.Class class provides many methods that can be used to get metadata, examine and change the run time behavior of a class. The java.lang and java.lang.reflect packages provide classes for java reflection. Where it is used The Reflection API is mainly used in: IDE (Integrated Development Environment) e.g. Eclipse, MyEclipse, NetBeans etc. Debugger Test Tools etc. read less
Comments

View 5 more Answers

Related Questions

Which language has the best future prospects: Python, Java, or JavaScript?
According to me, "Python" is the programming language having the best future prospect considering the current industry trend. Reason: Python is extensively used in advanced technologies such as Machine...
Atharva
0 0
5
What is selection sort in java?
The selection sort is a combination of searching and sorting. During each pass, the unsorted element with the smallest (or largest) value is moved to its proper position in the array. The number of times...
Snehashis
How do I learn Java? From book or internet or a coaching?
According to me....u should start from basic Java..that is core Java... . Find coaching , who teaches Java for beginners.....then later u can go for advance java.
Suresh
0 0
7
Why string objects are immutable?
Strings are immutable once created cannot be changed and hence cannot be eliminated but string builders are mutable.
Sujatha
Why Operator Overloading in not allowed in JAVA?
Java does not support operator overloading by programmers. This is not the same as stating that Java does not need operator overloading. Operator overloading is syntactic sugar to express an operation...
Ashish

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Constructor Overloading
public class ConstructorOverloading { public ConstructorOverloading(){ System.out.println("default"); } public ConstructorOverloading(String a){ System.out.println("a"); } public ConstructorOverloading(int...
S

Sarthak C.

0 0
0

Advance Java
1) Servlet • Basics of Servlet • Servlet Request • Servlet Collaboration • Servlet Config • Servlet Context • Attribute • Session Tracking • Event and Listener •...
A

Class, Object and Methods in JAVA
Lesson-1: Class, Object and Methods of Java can be compared with body, heart and brain. Without these 3 things, Java does not exist. If you Google the above 3 items, you will find many definitions. But...

Most Important Java Interview Topics
Dear All, I am here to help on java interview preparation for fresher and experienced people, please get in touch with me for further details. All interview preparation will be with unique teaching style...

TestNG Annotations and its sequence
public class TestNGAnnotations { @BeforeMethod public void beforeM() { System.out.println("Before Method"); } @AfterMethod public void afterMethod() { System.out.println("After Method"); } @BeforeClass...
S

Sarthak C.

0 0
0

Recommended Articles

Designed in a flexible and user-friendly demeanor, Java is the most commonly used programming language for the creation of web applications and platform. It allows developers to “write once, run anywhere” (WORA). It is general-purpose, a high-level programming language developed by Sun Microsystem. Initially known as an...

Read full article >

Java is the most famous programming language till date. 20 years is a big time for any programming language to survive and gain strength. Java has been proved to be one of the most reliable programming languages for networked computers. source:techcentral.com Java was developed to pertain over the Internet. Over...

Read full article >

Java is the most commonly used popular programming language for the creation of web applications and platform today. Integrated Cloud Applications and Platform Services Oracle says, “Java developers worldwide has over 9 million and runs approximately 3 billion mobile phones”.  Right from its first implication as java 1.0...

Read full article >

Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...

Read full article >

Looking for Java Training Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you