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How can we split a string by sentence as a delimiter in Java?
The split() method of the String class accepts a String value representing the delimiter and splits into an array of tokens (words), treating the string between the occurrence of two delimiters as one token.
For example, if you pass single space “ ” as a delimiter to this method and try to split a String. This method considers the word between two spaces as one token and returns an array of words (between spaces) in the current String.
If the String does not contain the specified delimiter this method returns an array containing the whole string as an element.
Example
public class SplitExample {
public static void main(String[] args) {
String str = "Hi how are you welcome to Tutorialspoint";
String words[] = str.split(" ");
for(String token : words) {
System.out.println(token);
}
}
}Output
Hi how are you welcome to Tutorialspoint
Splitting a string by sentence as a delimiter
You can also split a sentence by passing a sentence as a delimiter if you do so each time the specified sentence occurs the String is divided as a separate token.
Example
Following Java program reads the contents of a file into a Sting and splits it using the split() method with a sentence as a delimiter.
public class StringOccurrence {
public static String fileToString(String filePath){
Scanner sc = null;
String input = null;
StringBuffer sb = null;
try {
sc = new Scanner(new File(filePath));
sb = new StringBuffer();
while (sc.hasNextLine()) {
input = sc.nextLine();
sb.append(" "+input);
}
}
catch(Exception ex) {
ex.toString();
}
return sb.toString();
}
public static void main(String args[]) throws FileNotFoundException {
String filePath = "D://sampleData.txt";
String text = fileToString(filePath);
String array[] = text.split("We don’t force our readers to sign up with us or submit their details either");
for(String token : array) {
System.out.println(" ");
System.out.println(token);
}
}
}Output
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