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CollationElementIterator reset() method in Java with Examples

  • Last Updated : 03 Jan, 2020

The reset() method of java.text.CollationElementIterator class is used to reset the curser of the iterator to the beginning of the input string.

Syntax:

public void reset()

Parameter: This method does not accepts any parameter.

Return Value: This method has nothing to return.

Below are the examples to illustrate the reset() method:



Example 1:




// Java program to demonstrate
// reset() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing testString
        String test = "abcd";
  
        // creating and initializing
        // RuleBasedCollator object
        RuleBasedCollator rbc
            = (RuleBasedCollator)(Collator.getInstance());
  
        // creating and intiallizing
        // CollationElementIterator
        CollationElementIterator cel
            = rbc.getCollationElementIterator(test);
  
        // setting cursor of iterator
        cel.setOffset(2);
        cel.next();
  
        // display the result
        System.out.println(
            "current offset before calling reset() "
            + cel.getOffset());
  
        // reset the cursor to the
        // beginning of the string
        // using reset() method
        cel.reset();
  
        // display the result
        System.out.println(
            "\ncurrent offset after calling reset() "
            + cel.getOffset());
    }
}
Output:
current offset before calling reset() 3

current offset after calling reset() 0

Example 2:




// Java program to demonstrate
// reset() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing
        // testString
        String test = "abcd";
  
        // creating and initializing
        // RuleBasedCollator object
        RuleBasedCollator rbc
            = (RuleBasedCollator)(Collator.getInstance());
  
        // creating and intiallizing
        // CollationElementIterator
        CollationElementIterator cel
            = rbc.getCollationElementIterator(test);
  
        // setting cursor of iterator
        cel.setOffset(3);
        cel.previous();
  
        // display the result
        System.out.println(
            "current offset before calling reset() "
            + cel.getOffset());
  
        // reset the cursor to the beginning of the string
        // using reset() method
        cel.reset();
  
        // display the result
        System.out.println(
            "\ncurrent offset after calling reset() "
            + cel.getOffset());
    }
}
Output:
current offset before calling reset() 2

current offset after calling reset() 0

Reference: https://docs.oracle.com/javase/9/docs/api/java/text/CollationElementIterator.html#reset–

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