Searching for the specified pattern within the next line of text : Scanner « File « Java Tutorial

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Java Tutorial » File » Scanner

11. 54. 9. Searching for the specified pattern within the next line of text

String findInLine(Pattern pattern)
String findInLine(String pattern)

If the pattern is found, the matching token is consumed and returned. Otherwise, null is returned.


import java.util.Scanner;



public class MainClass {

  public static void main(String args[]) {

    Scanner sc = new Scanner("Name: Tom Age: 28 ID: 77");



    sc.findInLine("ID:");



    if (sc.hasNext())

      System.out.println(sc.next());

    else

      System.out.println("Error!");

  }

}

11. 54. Scanner
	11. 54. 1.	Using Scanner to receive user input
	11. 54. 2.	Using Scanner: the complement of Formatter
	11. 54. 3.	In general, to use Scanner, follow this procedure
	11. 54. 4.	Creating a Scanner: read from standard input: Scanner conin = new Scanner(System.in)
	11. 54. 5.	Creating a Scanner to read from a string
	11. 54. 6.	Using Scanner to read several different unknown types of data
	11. 54. 7.	Setting Delimiters for Scanner
	11. 54. 8.	To obtain the current delimiter pattern: Pattern delimiter( )
	11. 54. 9.	Searching for the specified pattern within the next line of text
	11. 54. 10.	To find within the next count characters

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