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Java program to get the flooring item of specified value from TreeSet collection

// Java program to get the flooring item of specified value 
// from the TreeSet collection

import java.io.*;
import java.util.*;

public class Main {
  public static void main(String args[]) {
    TreeSet < Integer > tree = new TreeSet < Integer > ();

    tree.add(10);
    tree.add(20);
    tree.add(25);
    tree.add(30);

    int value = tree.floor(22);

    System.out.println("Flooring value for 22: " + value);
  }
}

Output

Flooring value for 22: 20