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Java : Collection Framework : LinkedHashSet (Check empty or not)

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Ram N

Posts: 2777
Nickname: ramram
Registered: Jul, 2014

Ram N is Java Programmer
Java : Collection Framework : LinkedHashSet (Check empty or not) Posted: Dec 22, 2014 12:49 PM
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This post originated from an RSS feed registered with Java Buzz by Ram N.
Original Post: Java : Collection Framework : LinkedHashSet (Check empty or not)
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LinkedHashSetExample.java
import java.util.LinkedHashSet;

/*
* Example of isEmpty() method.
*/

public class LinkedHashSetExample
{
public static void main( String[] args )
{
LinkedHashSet<String> linkedHashSet = new LinkedHashSet<String>();

System.out.println("linkedHashSet: " + linkedHashSet);
/*
* Returns true if this set contains no elements.
*/

boolean isEmpty = linkedHashSet.isEmpty();
System.out.println("isEmpty : " + isEmpty + "\n");

linkedHashSet.add("Dave");
linkedHashSet.add("Peter");
linkedHashSet.add("Phil");
linkedHashSet.add("Rohit");
linkedHashSet.add("Virat");

System.out.println("linkedHashSet: " + linkedHashSet);

isEmpty = linkedHashSet.isEmpty();
System.out.println("isEmpty : " + isEmpty);

}
}

Output
linkedHashSet: []
isEmpty : true

linkedHashSet: [Dave, Peter, Phil, Rohit, Virat]
isEmpty : false
To Download LinkedHashSetDemoIsEmpty Project Click the below link
https://sites.google.com/site/javaee4321/java-collections/LinkedHashSetDemoIsEmpty.zip?attredirects=0&d=1

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  • Read: Java : Collection Framework : LinkedHashSet (Check empty or not)

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