LinkedHashSet add() method in Java with Examples
The add() method in Java LinkedHashSet is used to add a specific element into a LinkedHashSet. This method will add the element only if the specified element is not present in the LinkedHashSet else the function will return False if the element is already present in the LinkedHashSet.
Syntax:
Hash_Set.add(Object element)
Parameters: The parameter element is of the type LinkedHashSet and refers to the element to be added to the Set.
Return Value: The function returns True if the element is not present in the LinkedHashSet otherwise False if the element is already present in the LinkedHashSet.
Below program illustrate the Java.util.LinkedHashSet.add() method:
import java.io.*;
import java.util.LinkedHashSet;
public class LinkedHashSetDemo {
public static void main(String args[])
{
LinkedHashSet<String> set = new LinkedHashSet<String>();
set.add( "Welcome" );
set.add( "To" );
set.add( "Geeks" );
set.add( "4" );
set.add( "Geeks" );
System.out.println( "LinkedHashSet: " + set);
}
}
|
Output:
LinkedHashSet: [Welcome, To, Geeks, 4]
Last Updated :
30 Sep, 2019
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