What is Java API?

Asked by Last Modified  

1 Answer

Learn Java

Follow 0
Answer

Please enter your answer

The Java API is the set of classes included with the Java Development Environment. These classes are written using the Java language and run on the JVM. The Java API includes everything from collection classes to GUI classes.
Comments

Related Questions

Can we use pointer in java?
No, we can't. Java has reference variables which contains address of objects. The reference variables are substitute to pointers in java. But, we cannot perform mathematical operations on reference variables...
Manish
What are the difference between abstract class and Interface?
Abstraction : Hiding unnecessary details of object and shows only essential features of Object to communicate. abstract class : partially defined Object interface :Complete specification of Object class : Complete definition of Object
Ashish
best source to learn java from?
Main source if information on Java is oracle documentation. But it takes your time to read through, a lot more than you expect. Better prefer a trainer who can give what you need.
Himanshu
public class X { public static void main(String [] args) { X x = new X(); X x2 = m1(x); /* Line 6 */ X x4 = new X(); x2 = x4; /* Line 8 */ doComplexStuff(); } static X m1(X mx) { mx = new X(); return mx; } } After line 8 runs. how many objects are eligible for garbage collection?
Only one. After line 8 the original object referred to by x2 is dereferenced and ready for garbage collection. In m1(), mx ignores the object passed as argument and refers to a new object which is returned.
Srikanth

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

Ask a Question

Related Lessons

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...

Why Should We Learn Java Language?
Most of starters has confusion today that which of the programming language should be chosen to work on. It totally depends upon your need. As per my opinion, if you want to grow your career in IT industry...


Class and Objects in Java
Class is a template or a blueprint which is used to describe an object. On other hand Object is a reference of a class which follows all the stuff written inside the class. How about taking the whole tour in the following video

Core Java
Introduction: An Object Oriented Programming Language consists of Objects. There are object oriented programming languages like Smalltalk, C++. Each and every OOP language has some underlying disadvantages....

Recommended Articles

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 >

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 >

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 >

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 >

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