Java String

Java String

Java String

String could be a category that belongs to java.lang package. String is largely associate in nursing object that represents sequence of character values.

char[] ch={‘S’,’E’,’L’,’E’,’N’,’I’,’U’,’M’};
String s=“SELENIUM";

Java String class provides a lot of methods to perform operations on string such as compare(), concat(), equals(), split(), length(), replace(), compareTo(), substring() etc. 

How to create String object

By string literal

1. String s1=”India “;

String objects square measure keep in an exceedingly special memory space called the “string constant pool” whereas making exploitation literal as shown within the below diagram.

2. By new keyword

String s2=new String(“Delhi”);

In this case, JVM can produce a brand new string object in traditional (non-pool) heap memory as shown within the below diagram.

  • s1 == s2:0
  • s1 > s2  :positive value(D->68,K->75 ,68-75=-7 so s1.compareTo(s2) will result in -7) s1 < s2 :negative value

Java String


Java String Example

The string literal could be a relation to a String object. String literal could be a reference, to will be manipulated like all different String reference. its accustomed invoke ways of String category.

For Example,

int myLenght = "Hello Java".length();

Java provides special support for the string concatenation operators (+),String concatenation is enforced through the StringBuffer category and technique.

For example,

String finalString = "Hello" + "Java";

String Constructors

Java string category provides numerous kinds of the constructors to form String objects. a number of them ar,

Creates a replacement String object empty content"".
String(String s)

Java String Compare Example

Compares 2 strings the character case of the given String.

Java String object or Java Object


public class JavaStringCompareExample{
public static void main(String args[]){
  String str = "Hello World";
  String anotherString = "hello world";
  Object objStr = str;
System.out.println( str.compareTo(anotherString) );
 System.out.println( str.compareToIgnoreCase(anotherString) );
 System.out.println( str.compareTo(objStr) );



Java String Length Example

How to get the length of a given String objects.


public class StringLengthExample {
 public static void main(String[] args) {
 String str = "Hello World";
   int length = str.length();
    System.out.println("The String length is : " + length);


Length of a String is : 11

Java String Replace Example

Java String Replace example describes however do replace technique of java String category can be accustomed replace character or sub string will be replaced by new one.

public class JavaStringReplaceExample{
public static void main(String args[]){     
    String str="Replace Region";
    System.out.println( str.replace( 'R','A' ) );
    System.out.println( str.replaceFirst("Re", "Ra") );
    new String object.
        System.out.println( str.replaceAll("Re", "Ra") );


Aeplace Aegion
Raplace Region

Besant Technologies – Chennai & Bangalore Branch Locations

Besant Technologies - Velachery Branch
Plot No. 119, No.8, 11th Main road, Vijaya nagar,
Velachery, Chennai - 600 042
Tamil Nadu, India
Landmark - Reliance Digital Opposite Street
+91-996 252 8294 / 996 252 8293

Besant Technologies - Tambaram Branch
No.2A, 1st Floor, Duraisami Reddy Street,
West Tambaram, Chennai - 600 045
Tamil Nadu, India
Landmark - Near By Passport Seva
+91-970 725 0260

Besant Technologies - OMR Branch
No. 5/318, 2nd Floor, Sri Sowdeswari Nagar,
OMR, Okkiyam Thoraipakkam, Chennai - 600 097
Tamil Nadu, India
Landmark - Behind Okkiyampet Bus Stop,
+91-887 038 4333

Besant Technologies - Porur Branch
No. 180/84, 1st Floor, Karnataka Bank Building
Trunk Road, Porur,
Chennai - 600 116
Tamilnadu, India
Land Mark: Opposite to Gopalakrishna Theatre
+91-755 022 6990

Besant Technologies - Anna Nagar Branch
Plot No:1371, 28th street kambar colony,
I Block, Anna Nagar ,
Chennai - 600 040
Tamil Nadu, India
Landmark - Behind Reliance Fresh
+91-938 404 0493

Besant Technologies - T.Nagar Branch
Old No:146/2- New No: 48,
Habibullah Road,T.Nagar,
Chennai - 600 017
Tamil Nadu, India
Landmark - Opposite to SGS Sabha
+91-984 025 8377

Besant Technologies - Thiruvanmiyur Branch
22/67, 1st Floor,
North mada street, Kamaraj Nagar
Thiruvanmiyur, Chennai 600041
Tamil Nadu, India
Landmark - Above Thiruvanmiyur ICICI Bank
+91-938 404 0493

Besant Technologies - Siruseri Branch
No. 4/76, Ambedkar Street,
OMR Road, Egatoor, Navallur,
Siruseri, Chennai 600130
Tamil Nadu, India
Landmark - Near Navallur Toll Gate, Next to Yamaha Showroom
+91-7338 810 550

Besant Technologies - Maraimalai Nagar Branch
No.37, Ground Floor,
Thiruvalluvar Salai,
Maraimalai Nagar,Chennai 603209
Tamil Nadu, India
Landmark - Near to Maraimalai Nagar Arch
+91-979 123 7373

Besant Technologies - BTM Layout Branch
No 2, Ground floor,
29th Main Road, Kuvempu Nagar,BTM Layout 2nd Coming from Silkboard, take left at AXA company signal,
Stage, Bangalore - 560 076
Karnataka, India
Landmark - Next to OI Play School
+91-762 494 1772 / 74

Besant Technologies - Marathahalli Branch
No. 43/2, 2nd Floor, VMR Arcade,
Varthur Main Road, Silver Springs Layout,
Munnekollal, Marathahalli, Bengaluru - 560037
Karnataka, India
Landmark - Near Kundalahalli Gate Signal
+91-910 812 6341

Besant Technologies - Rajaji Nagar Branch
No. 309/43, JRS Ecstasy, First Floor,
59th Cross, 3rd Block, Bashyam Circle,
Rajaji Nagar, Bangalore - 560 010
Karnataka, India
Landmark - Near Bashyam Circle
+91- 734 916 0004

Besant Technologies - Jaya Nagar Branch
No. 2nd Floor,1575,11th Main Road,
4th T-Block, Pattabhirama Nagar, Jaya Nagar,
karnataka, India
Land Mark: Opposite to Shanthi Nursing Home
+91-733 783 7626

Besant Technologies - Kalyan Nagar Branch
No.513, 4th Cross Rd
2nd Block, HRBR Layout, Kalyan Nagar,
karnataka, India
Land Mark: Opposite to kalayan nagar Axis Bank
+91-938 404 0495

Besant Technologies - Electronic City Branch
No. 7, 3rd Floor, Ganga Enclave,
Neeladri Road, Karuna Nagar, Doddathoguru Village,
Electronics City Phase 1, Electronic City,
Bangalore - 560100, karnataka, India
Land Mark: Adjacent to HDFC Bank and State Bank Of India
+91-782 392 2180

Besant Technologies - Indira Nagar Branch
No.54, 1st Floor,
5th Main kodihalli,
Bengaluru, Karnataka 560008, India
Landmark: Behind Leela Palace Hotel,
+91-910 812 6339

Besant Technologies - HSR Layout Branch
Plot No. 2799 & 2800, 27th Main,
1st Sector, HSR Layout,
Bengaluru, Karnataka 560102, India
+91-733 783 7626

Besant Technologies - Hebbal Branch
No.29, 2nd Floor, SN Complex,
14th Main Road, E-Block Extention, Sahakara Nagar,
Bengaluru, Karnataka -560092, India
+91-938 404 0496