How slow/inefficient is Java reflection API?

Asked by Last Modified  

1 Answer

Learn Java

Follow 0
Answer

Please enter your answer

Dev Group

Its difficult to measure how slow it is, because it depends on what you do. Java reflection API is for reasons like - low potential for compiler optimization, class and method discovery and use of different wrappers. If there is need for something faster than reflection, then CGLib FastMethod is an o...
Comments
Dislike Bookmark

Related Questions

What will be the output of the program? public class Test { public static int y; public static void foo(int x) { System.out.print("foo "); y=x; } public static int bar(int z) { System.out.print("bar "); return y=z; } public static void main(String [] args ) { int t=0; assert t > 0 : bar(7); assert t > 1 : foo(8); /* Line 18 */ System.out.println("done "); } } A. bar B. bar done C. foo done D. Compilation fails
Compiler error on line 18. You can't call method in assert with void return type.
Srikanth

I have been working in a medical billing company for five years. I want to switch my carrier from non-IT to IT. I have only a BA degree, but I have good knowledge of computers. I know some basics of HTML and manual testing; can I learn java selenium directly to get a job in automation?
Hi Sirajudeen.. Java selenium is one of the good options.. one more easy way to shift to IT is learning Oracle SQL.. Scope of Oracle SQL always stands high since the database is backbone of all developement,...
Sirajudeen

Sir how is Java a pure object oriented programming language?

 
Java is not a purely object-oriented programming language. Lots of people say’s its object-oriented language but it is not true because Java supports primitive data type and does not handle multiple inheritances.
Ram
What is the general syllabus covered in core Java training from any institution?
Welcome Course Overview Review of Java Fundamentals The Java Environment Data Types The String Class The StringBuffer Class Arrays Passing Data Types to a Method Constructors &...
Shiv Kohli
0 0
5
What are the technologies to learn for a Java backend developer?
One of the most critical skills of a backend developer is a depth of knowledge in backend programming languages. This includes proficiency in PHP, Java, Python, Perl, Ruby, and Node JS.
Ankita
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

How 4 byte float can store 8 byte long values in java ?
long l = 12464545L; float f = l; (fine) int i = l ; (Error) if we see the how this magic happens as we know the answer lies in the floating point representation as in floating points values does not...

Pankaj Rathi

0 0
0
2.1. Reverse a singly linked list.
class Node { int data; Node next; Node(int data) { this.data = data; this.next = null; }} public class LinkedList { Node head; public void reverse() { Node prev = null; Node curr = head; Node next =...

Vivek J.

0 0
0
JAVA Question 1 for beginners
String x="We are learning";String y="mistakes happen";int z=1000;System.out.println("Java is easy. "+x+" programming and "+y+" "+z +" times"); what is out put this code

Vivek J.

0 0
0
Java Advantages
In this video, learn about Java and its advantages. Also, check out the difference between Java and C++, Java development kit, Java Run Time Environment (JRE) with a proper demonstration program for better clarity.

Ranjit Singh

0 0
0
Introduction to Course Content
Video about what we are going to learn throughout the Java Training Session .

Jtcindia Java Training Center

0 0
0

Recommended Articles

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 >

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 >

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 >

Some Popular IT Courses in Current Market

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Find Java Training Classes near you
Java Training Classes in Bangalore
Java Training Classes in Hyderabad
Java Training Classes in Pune
Java Training Classes in Chennai
Java Training Classes in Delhi
Java Training Classes in Mumbai
Java Training Classes in Kolkata
Java Training Classes in Noida
Java Training Classes in Gurgaon
Java Training Classes 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