Java String split() method

Java String split() method split current String against given regular expression and returns a char array.

Syntax:

public String split(String regex)                
public String split(String regex, int limit)

Parameters:

regex : it is a regular expression to be applied on String.

limit : it is limit for the number of Strings in array. If it is zero , it will return all String matching regex.

Returns:

array of Strings

Throws:

PatternSyntaxException if pattern for regex is invalid.

Java String split() method 1 example:

public class JavaStringSplitEx1
    { 
       public static void main(String args[])
       { 
         String s1="Welcome to the Tutorial and example"; 
         String[] words=s1.split("\\s");//splits the string based on whitespace 
    //using java foreach loop to print elements of string array 
        for(String w:words){ 
          System.out.println(w); 
         } 
       }
    }

Output:

Welcome
to
the
Tutorial
and
example

Java String split() method with regex and length example 2

    public class JavaStringSplitEx2
    { 
    public static void main(String args[])
    { 
    String s1="welcome to tutorialsandexample world"; 
    System.out.println("returning words:"); 
    for(String w:s1.split("\\s",0)){ 
    System.out.println(w); 
    } 
        System.out.println(""); 
    System.out.println("returning words:"); 
    for(String w:s1.split("\\s",1)){ 
    System.out.println(w); 
    } 
       System.out.println(""); 
    System.out.println("returning words:"); 
    for(String w:s1.split("\\s",2)){ 
    System.out.println(w); 
    } 
    }      
    }

Output:

returning words:
welcome
to
tutorialsandexample
world
returning words:
welcome to tutorialsandexample world
returning words:
welcome
to tutorialsandexample world

Java String split() method with regex and length example 3

    public class JavaStringSplitEx3 { 
        public static void main(String[] args) { 
            String str = "Tutorialand Example"; 
            System.out.println("Returning words:"); 
            String[] arr = str.split("t", 0); 
            for (String w : arr) { 
                System.out.println(w); 
            } 
            System.out.println("Split array length: "+arr.length); 
        } 
    }

Output:

Returning words:
Tu
orialand Example
Split array length: 2

Java String split() method with regex and limit example 4

 public class JavaStringSplitEx4
{
    public static void main(String args[])
    {
        String str = "Tutorial&&And&&Example";
        String [] arrOfStr = str.split("&", 5);
        for (String a : arrOfStr)
            System.out.println(a);
    }
}

Output:

Tutorial
And
Example

Java String split() method example 5

public class JavaStringSplitEx5
{
    public static void main(String args[])
    {
        String str = "Tutorial&&And&&Example";
        String [] arrOfStr = str.split("&",-2);
        for (String a : arrOfStr)
            System.out.println(a);
    }
}

Output:

Tutorial
And
Example