Concept explainers
Program:
//import util package
import java.util.*;
//class definition
public class Test {
// main method
public static void main(String[] args) {
//Create a new Set set1 ofLinkedHash Set type
LinkedHashSet<String> set1 = new LinkedHashSet<>();
/* add NewYork element into the set using the add() method */
set1.add("New York");
/*Create a new set set2 which equals set1 */
LinkedHashSet<String> set2 = set1;
//clone set1 and assign it a new set set2
LinkedHashSet<String> set3 =
(LinkedHashSet<String>)(set1.clone());
//add Atlanta to the set1
set1.add("Atlanta");
//print each set
System.out.println("set1 is " + set1);
System.out.println("set2 is " + set2);
System.out.println("set3 is " + set3);
/* Print each element present in set 1 using the ForEach() method */
set1.forEach(e -> System.out.print(e + " "));
}
}
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Check out a sample textbook solutionChapter 21 Solutions
Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)
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