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

Suprio Dutta

Tutor

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

Tutor

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

Talent with Professional Experience

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

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
Dislike Bookmark

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
Dislike Bookmark

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
Dislike Bookmark

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
Dislike Bookmark

View 5 more Answers

Related Questions

Is it possible to learn java at home without coaching in one month?
It all depends on you. If you are already aware of programming then it is definetly possible to learn java at home. But if learn through a tutor then you can learn easily.
Pritom
0 0
5
What will be the output of the program? public class Foo { public static void main(String[] args) { try { return; } finally { System.out.println( "Finally" ); } } } A. Finally B. Compilation fails. C. The code runs with no output. D. An exception is thrown at runtime.
Question to all of you: What is the hidden logic inside Java Constructor ?
Srikanth
I have the opportunity to learn either java or pega...what should i be targeting Pega or Java.. Also, if I m moving to Java. I will be getting immediate promotion and increment.
Java of course. You will see most of the enterprise level application are built in Java. Apart from retail, in every domain you'll see opportunity with Java
Gaurav
2 0
6
Why string objects are immutable?
Strings are immutable once created cannot be changed and hence cannot be eliminated but string builders are mutable.
Sujatha
What is a complete list of topics of Core Java and topics of Advanced Java?
Core Java : Class ,Object,JVM,Thread,Interface,Exception,static ,Final . Advance Java : Collection,Collection Framework,JDBC,Servlet,Jsp
Chandramami
0 0
5

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

Ask a Question

Related Lessons

Features Of Java
There is given many features of java. They are also known as java buzzwords. The Java Features given below are simple and easy to understand. i. Simple ii. Object-Oriented iii. Portable iv. Platform...

Pydi Raju

0 0
0
Differences Between HashMap vs HashSet In Java.
HashSet HashMap HashSet implements Set interface. HashMap implements Map interface. HashSet stores the data as objects. HashMap stores the data as key-value pairs. HashSet...

Paras Chawla

0 0
0
Create Immutable Class
Snippet of an Immutable Class: package com.stringhr; /*Declare the class as 'final'. This would prevent any other class from extending it and hence from overriding any method from it which could modify...

Paras Chawla

0 0
0
How can everyone prepare to clear any Java interview?
Java interview your java should be much strong then J2EE. core java and Advance java is the basic foundation for Interview. Some of the topic about which you should know before going for a java interview...

Bright Computer Education

1 0
0
1.3. Find the second largest element in an array.
public class Main { public static void main(String args) { int arr = {1, 3, 4, 6, 5}; int max = Integer.MIN_VALUE, secondMax = Integer.MIN_VALUE; for (int i = 0; i < arr.length; i++) { if (arr >...

Vivek J.

0 0
0

Recommended Articles

Why Java is the Most Popular Programming Language

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 >

Why Should You Learn Java !

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: An Object-Oriented Language

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 >

Top 5 Reasons to Learn JavaScript

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 >

Find Oracle Java Certification near you
Oracle Java Certification in Bangalore
Oracle Java Certification in Hyderabad
Oracle Java Certification in Pune
Oracle Java Certification in Chennai
Oracle Java Certification in Delhi
Oracle Java Certification in Mumbai
Oracle Java Certification in Kolkata
Oracle Java Certification in Noida
Oracle Java Certification in Gurgaon
Oracle Java Certification in Ghaziabad
Online Java Training

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