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RuleBasedCollator getCollationElementIterator(String) method in Java

  • Last Updated : 22 Jan, 2020

The getCollationElementIterator() method of java.text.RuleBasedCollator class is used to get the object of collation element iterator for the given string.

Syntax:

public CollationElementIterator
       getCollationElementIterator(String source)

Parameter: This method accepts the string object as a parameter.

Return Value: This method returns the object of collation element iterator for the given string.

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



Example 1:




// Java program to demonstrate
// getCollationElementIterator() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
  
            // Creating and initializing
            // new simple rule
            String simple
                = "< a < b < c < d";
  
            // Creating and initializing
            // new RuleBasedCollator Object
            RuleBasedCollator col
                = new RuleBasedCollator(simple);
  
            // Creating and initializing
            // the String Object
            String str = "ABABCC";
  
            // getting CollationElementIterator Object
            // for the given String
            // using getCollationElementIterator() method
            CollationElementIterator key
                = col.getCollationElementIterator(str);
  
            // display result
            System.out.println("CollationElementIterator is : "
                               + key);
        }
  
        catch (ClassCastException e) {
  
            System.out.println("Exception thrown : " + e);
        }
        catch (ParseException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
CollationElementIterator is : java.text.CollationElementIterator@7d4991ad

Example 2:




// Java program to demonstrate
// getCollationElementIterator() method
  
import java.text.*;
import java.util.*;
import java.io.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        try {
  
            // Creating and initializing
            // new simple rule
            String simple
                = "< a < b & a < c";
  
            // Creating and initializing
            // new RuleBasedCollator Object
            RuleBasedCollator col
                = new RuleBasedCollator(simple);
  
            // Creating and initializing the String Object
            String str = "GEeks";
  
            // getting CollationElementIterator Object
            // for the given String
            // using getCollationElementIterator() mehtod
            CollationElementIterator key
                = col.getCollationElementIterator(str);
  
            // display result
            System.out.println("CollationElementIterator is : "
                               + key);
        }
  
        catch (ClassCastException e) {
  
            System.out.println("Exception thrown : " + e);
        }
        catch (ParseException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
CollationElementIterator is : java.text.CollationElementIterator@7d4991ad

Reference: https://docs.oracle.com/javase/9/docs/api/java/text/RuleBasedCollator.html#getCollationElementIterator-java.lang.String-

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