Java Strings Tutorial | String Manipulation in Java | Java Tutorial For Beginners | Edureka

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This Edureka tutorial on “Java Strings” will talk about one of the most important classes of Java i.e String class. It will also talk about the various methods and interfaces implemented by the String class. Through this tutorial you will learn the following topics:
[0:48] Java Strings
[6:13] String Pool
[6:54] Creating a String
[11:00] String Methods
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Why learn Java?
Java is a general-purpose, class-based, object-oriented computer programming language that was designed by James Gosling at Sun Microsystems in 1995.
Key Highlights of Java:
Platform Independent: This allows programmers to develop applications that can run on any operating system.
Usability of Java: Java is most widely used programming language. It is present everywhere. It really doesn't matter which domain you are working in, you will surely come across Java sooner or later!
Open Source: The good news is that Java is available for free! All the development tools and the environment (JRE & JDK) that is used to develop Java applications are absolutely free of cost.
Android: Irrespective of the fact that you are tech savvy or not, most of us are badly bitten by the Android bug! Android is in great demand today and fortunately you need Java for Android development. Hence, the importance of Java has increased even more.
Hadoop: Hadoop is one of the most trending frameworks for processing Big Data. It has been designed and developed in Java.
In spite of having a tough competition on the server side from Microsoft and other companies, Java is doing extremely well on mobile platforms, thanks to Android! It has also been the primary language for Hadoop Developers.
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Got a question on the topic?
Please share it in the comment section below and our experts will answer it for you.
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Got a question on the topic? Please share it in the comment section below and our experts will answer it for you. For Java Training Curriculum, Visit our Website: bit.ly/32Ymvde

[@raop2004]

I really like the way that they don't have any ads in between the video to distract us 👍

[@edurekaIN]

Hi : ) We really are glad to hear this ! Truly feels good that our team is delivering and making your learning easier :) Keep learning with us .Stay connected with our channel and team :) . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@rishitsingh2300]

Thanks I have my board exams the next day am watching your video now it is really helping clear concepts, thanks guys!!!!!!!!!!!

[@asifkhan-iy2gi]

worthy
worthy to watch

[@deepikachintala538]

Very Clear and Detailed Explanation of Strings .. Thank You for clarifying many of my doubts in a Simple and Clear manner ..

[@edurekaIN]

Hey Deepika, Thank you for appreciating our efforts. We are delighted to see learners like you on board with us. Do give this video a thumbs up and subscribe to the channel for more amazing content. Cheers!

[@vandanagupta8977]

Quality Content you are providing guys,It helps me alot thankyou...!!

[@ramanujpathak5400]

Teaching style is very much brilliant and it's quality makes its brilliance very much high.

[@edurekaIN]

Hey:) Thank you so much for your sweet words :) Really means a lot ! Glad to know that our content/courses is making you learn better :) Our team is striving hard to give the best content. Keep learning with us -Team Edureka :) Don't forget to like the video and share it with maximum people:) Do subscribe the channel:)

[@farheen3265]

Thank you, that's a very helpful video. I'd like to know one thing please, what does "thread safe" mean in terms of StringBuffer and StringBuilder?

[@edurekaIN]

Hey Farheen, StringBuffer vs StringBuilder. StringBuffer is the thread safe utility class to perform several operations on Strings. It contains append() and insert() methods that are widely used to perform operation on Strings in a multi-thread environment. Hope this helps!

[@farheen3265]

@@edurekaIN Thank You!

[@rahulmunde537]

Nicely explained

[@aayushisingh409]

Excellent!!

[@pavithram4876]

In the following example I am getting the output as "References are unequal' but i am expecting the output as "References are equal" since S3 and S4 are created using string class. Can anyone explain me this
String S1="Mary";
String S2="John";
String S3=S1+S2;
String S4=S1+S2;
if (S3==S4)
SOP("References are equal");
else
SOP("References are unequal");

[@ShailendraSingh-ko2pc]

Thankyou so much for this amazing useful video !!

[@edurekaIN]

Thank you so much for the review ,we appreciate your efforts : ) We are glad that you have enjoyed your learning experience with us .Thank You for being a part of our Edureka team : ) Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@yashwanthvarma9799]

ay thanks hmie the video helped me a lot

[@vigneshsweekaran]

Since stringbuilder is not threadsafe. then what is the need of stringbuilder ?. we can directly work with stringbuffer right.

[@edurekaIN]

Hey Vignesh, "String does not allow appending. Each method you invoke on a String creates a new object and returns it. This is because String is immutable - it cannot change its internal state.
On the other hand StringBuilder is mutable. When you call append(..) it alters the internal char array, rather than creating a new string object.
Thus it is more efficient to have"
Hope this helps!

[@maheshwaghmare2312]

Stringbuffer is for single thread environment but stringbuilder works with multi threaded environment

[@FaizanShaikh-pp1kg]

Although StringBuilder is not thread safe, it is faster than StringBuffer so when performance is a concern over thread safety SBuilder is used.

[@farin2034]

Thank you so much l really understand it sir.

[@jimmytorres4181]

Amazing and useful tutorial, thank you so much

[@edurekaIN]

You are welcome👍

[@rohitchobharkar747]

one of the best lecture i have watched yet!!! Thank you edureka...

[@edurekaIN]

Thank you for your review : ) We are glad that you found our videos /contents useful . We are also trying our best to further fulfill your requirements and enhance your expirence :) Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@mdashfaqsalehin2703]

Excellent! Thank you so much!

[@edurekaIN]

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[@easyprogramming2660]

Best video !!!

[@dktailor123]

Why there is two way to create String
And in which case we can go for String literal and in which case we can go for using new operator to create String

[@edurekaIN]

Hey Deepak, "Hi,
When you create a String using literal, it is created in the string pool. Now if you try to create another object with the same value, JVM will give you the reference of that string and no new String object will be created. But when you create a String using new() keyword JVM is forced to create a new string reference, even if the String is already present in the reference pool. Hope this clears your doubt. Cheers!"
Hope this helps!

[@imranbagwan8643]

Thank you sir for detailed information 😊

[@sakinamosavi1104]

Thank you very much

[@meghanareddy4757]

Helpful video

[@edurekaIN]

Thank you so much for your review on our channel  Great to hear that Edureka is helping you learn better . We’ll strive to make even better learning contents/courses in the future ! Do subscribe the channel for more updates : )

[@somaingupta8412]

Great Man👑

[@anandp892]

Plz help me sir how to reverse a string.......?

[@gamersoul1098]

thank you explanation was great

[@akshramishra871]

Thanks for the video your videos always help me
Good work edureka👍👍

[@edurekaIN]

Thanks for the compliment! We are glad we could help. Do subscribe to our channel to stay posted on upcoming tutorials.

[@jasonmyers5939]

i like it

[@robinsonmanuvel2407]

Would be useful if u attach the source code as well

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[@kumarsaheb]

Awesome video !!🔥🔥

[@pratykshamaheshwari1038]

thankyou :)))

[@sushmajha857]

Plz explain indexOf ().

[@edurekaIN]

Hey Sushma, Java String indexOf() The java string indexOf() method returns index of given character value or substring. If it is not found, it returns -1. The index counter starts from zero. hope this is helpful! Cheers!

[@sushmajha857]

@@edurekaIN Thank you

[@uddhavraut9328]

toString() method?

[@edurekaIN]

toString() method in Java is used to represent any object as a string. This method returns a string representation of an object. To print any object, Java internally invokes the toString method on the object.

[@AbhishekYadav-ws4fz]

This method is used to print array in string form

[@meerajr441]

👍

[@jasonmyers5939]

i like it