TreeSet toString() method in Java with Example
Last Updated :
27 Dec, 2018
The toString() method of Java TreeSet is used to return a string representation of the elements of the Collection.
The String representation comprises a set representation of the elements of the Collection in the order they are picked by the iterator closed in square brackets[].This method is used mainly to display collections other than String type(for instance: Object, Integer)in a String Representation.
Syntax:
public String toString()
Parameter The method does not take any parameters.
Return This method returns a String representation of the collection.
Below examples illustrate the toString() method:
Example 1:
import java.util.*;
public class collection {
public static void main(String args[])
{
TreeSet<String> abs
= new TreeSet<String>();
abs.add( "Welcome" );
abs.add( "To" );
abs.add( "Geeks" );
abs.add( "For" );
abs.add( "Geeks" );
System.out.println(abs.toString());
}
}
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Output:
[For, Geeks, To, Welcome]
Example 2:
import java.util.*;
public class collection {
public static void main(String args[])
{
TreeSet<Integer> abs
= new TreeSet<Integer>();
abs.add( 10 );
abs.add( 20 );
abs.add( 30 );
abs.add( 40 );
System.out.println(abs.toString());
}
}
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