What are the common Java APIs that a Java programmer should know?

Asked by Last Modified  

1 Answer

Learn Java

Follow 0
Answer

Please enter your answer

Dev Group

1. Exception Handling 2. Collections 3. Multi-threading. These are the building blocks of any code
Comments
Dislike Bookmark

Related Questions

how to run a java program
Two ways you can run a Java Program. 1- Through cmd prompt, 2- Through Eclipse. 1- cmd prompt (Write your program and save the file with .java extension. Now open your cmd prompt and give the java file...
Prem Kumar Pathak
What are the different types of Exceptions in Java?
Main two types 1. Compile time exception ex: FileNotFound Exception,ClassNotFound Exception. 2. Run time exception ex: ArrayIndexOutOfBounds Exception,IllegalTypeException,NullPointer exception,Arithmetic...
Aakanksha
What is the purpose of using throws keyword in java?
The throws statement is how you create an exception stack trace. There isn't much magic in java--it's not some underlying system mystery that creates an exception, it is simply a "Throw" statement, and...
Saritha
What is the difference between string, stringbuffer, stringbuilder?
String is immutable, whereas StringBuffer and StringBuilder are mutable
Neha
Which cannot directly cause a thread to stop executing? A. Calling the SetPriority() method on a Thread object. B. Calling the wait() method on an object. C. Calling notify() method on an object. D. Calling read() method on an InputStream object.
read()
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

4 Things Every Tech Startup Needs to Know About The Coaching Industry
Knowledge on any subject is widely available to those who wish to learn. However, just gathering knowledge from other people doesn’t guarantee results in business. Results come from applying what...

Rajesh N V

3 0
1
Importance of Constructor's Visibility.
While developing program or implementing Singleton pattern we have learnt to mention constructor as private and known reason is -> to blocked its direct call from outside of class. But did we think...

Milan M.

0 0
0
Lambda Expressions in Java
A lambda expression, introduced in Java 8 is similar to a block of code resembling an anonymous function that can be passed to constructors or methods for execution as an argument. Examples: a)() ->...

Ashish Somvanshi

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 complete reference-herbert schildt
Sample program: class Sample { public static void main(String args ) { System.out.println("Sample") ; } } Program explanation: Keyword used in line 1- class The name...

Charmy M.

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 >

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 >

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 >

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 Java Certification near you
Java Certification in Bangalore
Java Certification in Hyderabad
Java Certification in Pune
Java Certification in Chennai
Java Certification in Delhi
Java Certification in Mumbai
Java Certification in Kolkata
Java Certification in Noida
Java Certification in Gurgaon
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