What cannot be done without using static keyword in java?

Asked by Last Modified  

3 Answers

Learn Java

Follow 0
Answer

Please enter your answer

Pinal Pathak

IT Professional Trainer with 13 years of experience in IT industry + Academics

static is a keyword which is used to define main() method in java. and if we do not define it with static then main method invocation needs an object to be called, which we generally do not do, like obj.main(). With static keyword, object is not required to invoke main() or any other method. So because...
read more
static is a keyword which is used to define main() method in java. and if we do not define it with static then main method invocation needs an object to be called, which we generally do not do, like obj.main(). With static keyword, object is not required to invoke main() or any other method. So because main() is static that is why your program execution starts from main() method read less
Comments
Dislike Bookmark

You cannot create the instance of the class if the class is static. Also if the class members are static then its value cannot be changed.
Comments
Dislike Bookmark

Static keyword is used both at method and variable level. It is generally used for sharing to all the methods. It is also used for static block s.
Comments
Dislike Bookmark

View 1 more Answers

Related Questions

What will be the output of the program? public class X { public static void main(String [] args) { try { badMethod(); System.out.print("A"); } catch (RuntimeException ex) /* Line 10 */ { System.out.print("B"); } catch (Exception ex1) { System.out.print("C"); } finally { System.out.print("D"); } System.out.print("E"); } public static void badMethod() { throw new RuntimeException(); } } A. BD B. BCD C. BDE D. BCDE
It will be BDE
Srikanth
Hi, Can anyone help me on below queries? 1. What makes a class as "Thread safe class" ? 2. equals() method uses 3. Difference between String vs StringBuffer ?
There are three ways to construct thread-safe Java class which has some state: 1. Make it truly immutable 2.Make field volatile. 3.Use a synchronized block
Saurav
Why we are using this keyword in Java?
to access current object
Kiran
0 0
9
simple way to explane the servlet in java
Servlet is a program wich executed in server and assists in responding to client queries..... Usually confidential tasks are done by using servlets or other server side codes
Anish
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

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

Ask a Question

Related Lessons

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...

Debabrata Mandal

0 0
0
Mastering in Java Programming
Core java topics What is Java?Execution Model Of JavaBytecodeHow to Get Java?A First Java ProgramCompiling and Interpreting ApplicationsThe JDK Directory StructureUsing Eclipse Data types and Variables What...

Rajeev Majumdar

1 0
0
CoreJAVA
Core Java Training High Level Course Content Trained by Java Architect 1. Core Java Programming Introduction of Java 2. Data types and Operators 3. Control Flow statements 4. OOPS and its application...
A

Ashok Kumar K

0 0
0
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
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

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 >

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 >

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 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