Java Collection, TreeSet Exercises: Iterate through all elements in a tree set
Java Collection, TreeSet Exercises: Exercise-2 with Solution
Write a Java program to iterate through all elements in a tree set.
Sample Solution:
Java Code:
import java.util.TreeSet;
public class Exercise2 {
public static void main(String[] args) {
TreeSet<String> tree_set = new TreeSet<String>();
tree_set.add("Red");
tree_set.add("Green");
tree_set.add("Orange");
tree_set.add("White");
tree_set.add("Black");
// Print the tree list
for (String element : tree_set) {
System.out.println(element);
}
}
}
Sample Output:
Black Green Orange Red White
Flowchart:
Java Code Editor:
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Previous: Create a new tree set, add some colors and print out the tree set.
Next: Add all the elements of a specified tree set to another tree set.
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
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