Java: Remove a given element from a tree set
16. Remove Element from TreeSet
Write a Java program to remove a given element from a tree set.
Sample Solution:
Java Code:
import java.util.TreeSet;
import java.util.Iterator;
public class Exercise16 {
public static void main(String[] args) {
// creating TreeSet
TreeSet <Integer>tree_num = new TreeSet<Integer>();
TreeSet <Integer>treeheadset = new TreeSet<Integer>();
// Add numbers in the tree
tree_num.add(10);
tree_num.add(22);
tree_num.add(36);
tree_num.add(25);
tree_num.add(16);
tree_num.add(70);
tree_num.add(82);
tree_num.add(89);
tree_num.add(14);
System.out.println("Original tree set: "+tree_num);
System.out.println("Removes 70 from the list: "+tree_num.remove(70));
System.out.println("Tree set after removing last element: "+tree_num);
}
}
Sample Output:
Original tree set: [10, 14, 16, 22, 25, 36, 70, 82, 89] Removes 70 from the list: true Tree set after removing last element: [10, 14, 16, 22, 25, 36, 82, 89]
Flowchart:

For more Practice: Solve these Related Problems:
- Write a Java program to remove a specified element from a TreeSet using remove() and then verify its absence.
- Write a Java program to implement a method that removes a given element and returns a boolean indicating success.
- Write a Java program to remove an element from a TreeSet using Java streams to filter out the element and collect the result.
- Write a Java program to remove a specified element from a TreeSet and then print the size before and after removal to verify the operation.
Go to:
PREV : Poll Last TreeSet Element.
NEXT : Create and Print PriorityQueue.
Java Code Editor:
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