How do I split a string using Scanner class?
Category: java.util, viewed: 10427 time(s).
Instead of using the StringTokenizer class or the String.split() method we can use the java.util.Scanner class to split a string.
package org.kodejava.example.util;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class ScannerTokenDemo {
public static void main(String[] args) {
//
// This file contains some data as follow:
// a, b, c, d
// e, f, g, h
// i, j, k, l
//
File file = new File("data.txt");
try {
//
// Here we use the Scanner class to read file content line-by-line.
//
Scanner scanner = new Scanner(file);
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
//
// From the above line of code we got a line from the file
// content. Now we want to split the line with comma as the
// charater delimiter.
//
Scanner lineScanner = new Scanner(line);
lineScanner.useDelimiter(",");
while (lineScanner.hasNext()) {
//
// Get each splited data from the Scanner object and print
// the value.
//
String part = lineScanner.next();
System.out.print(part + ", ");
}
System.out.println();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
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