Setcolors = new HashSet<>(); colors.add("Red"); colors.add("Green"); colors.add("Blue"); System.out.println(colors);
Setnums = new TreeSet<>(); nums.add(10); nums.add(5); nums.add(20); System.out.println(nums);
SetOutput: [D, B, F] This example creates a Set named "letters" using the LinkedHashSet implementation class. Three Character elements are added to the Set and then printed out. The output shows that the Set is ordered in insertion order. The java.util package library is needed to use Set in Java.letters = new LinkedHashSet<>(); letters.add('D'); letters.add('B'); letters.add('F'); System.out.println(letters);