Is synchronized keyword necessary, in Java, if everything that is modified in a function is local to that function?

Asked by Last Modified  

6 Answers

Learn Java

Follow 2
Answer

Please enter your answer

Technology Promoter

No, it is not required if you make sure whatever parameters are updated/modified will be done as atomic references/operations. Atomicity is an alternative to syncronizatiom.
Comments
Dislike Bookmark

In some cases It will be necessary. If you want to develop a thread-safe application then definitely you will have to use synchronized keyword.
Comments
Dislike Bookmark

Trainer

Not necessaring, if sharing is not there then synchronization is not required
Comments
Dislike Bookmark

If the function only works with local variables, then synchronized is not required. For example, a simple function for addition - "int add(int a, int b)", which takes two integers as parameter and returns summation of them, is not required to be synchronized. But if the function works on some class level...
read more
If the function only works with local variables, then synchronized is not required. For example, a simple function for addition - "int add(int a, int b)", which takes two integers as parameter and returns summation of them, is not required to be synchronized. But if the function works on some class level properties, global/static variables, or makes some calls to database system, or some I/O operation, then it may be required to make it synchronized to make the program thread safe. read less
Comments
Dislike Bookmark

Trainer

No, not necessary
Comments
Dislike Bookmark

The synchronized keyword is used in two primary contexts: as a method modifier to mark a method that it can only be executed by one thread at a time. by declaring a code block as a critical section – one that’s only available to a single thread at any given point in time
read more
The synchronized keyword is used in two primary contexts: as a method modifier to mark a method that it can only be executed by one thread at a time. by declaring a code block as a critical section – one that’s only available to a single thread at any given point in time read less
Comments
Dislike Bookmark

View 4 more Answers

Related Questions

What are the best books to learn Java?
you can buy any book to learn java but for beginner's Herber Schild is prefer best
Prashant
0 0
6
Is it really needed to do Java training before graduation, to get a job?
Yes, It's must to get better opportunities and to standard alone in IT field. Not only core Java but also learn Spring,Hinernat ,Struts. ANGULARJS add an advantage to get job easily.
Udaybhan
hi this iz sunil here I done with my b.sc in cs and planning to go fr java course shld I prefer for institution or a lecturer who teaches java at his own tuitions ...
You can choose either of the way, but make sure you join with right tution or instructor, make sure he teaches all the topics.
Sunil
0 0
5
What is 'this' in Java?
this is a keyword in Java. Works as a reference to current object whose constructor is being invoked
SEED Infotech Ltd

i am working in mainframe technology, we are doing modernization, need to convert 1 cobol program to java program, is any one there to help me out, need same mainframe program with same login need to convert to java results should be same as mainframe, can some one help me out on this please
Yes, it can be converted. The thing I would need a plain text document which would describe what specific COBOL program is doing.
Varun
0 0
9

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

Ask a Question

Related Lessons

Tips for Entry Level Java Job Seeker
3 steps you should take to make a break as a Java developer: Step 1: Invest in improving your job hunting skills encompassing interviewing, networking, and resume writing skills. Step 2: Keep applying...
A

Akshay Shende

1 0
0
ClassNotFoundException vs NoClassDefFoundError
ClassNotFoundException NoClassDefFoundError It is an exception and happens due to programmer’s mistake and can be recovered by updating the code. Thrown when an application tries...

Vivek R.

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
How To Setup development Environment Of Java?
After installation of JAVA, we need to setup 2 environment variables. First one is JAVA_HOME and second is Path. Below steps to set up Java environment to compile & execute Java programs from command...

Amit K.

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

Recommended Articles

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 >

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 >

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 >

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