Searching an element and set of elements in another TreeSet

 

import java.util.Iterator;

import java.util.TreeSet;

import java.util.Scanner;

import java.util.Set;

public class TreeSetContains {

// method to find the element in the given set

public static void is_Contains(Set<String> set) {

Scanner sc = new Scanner(System.in);

System.out.println("Enter the element you want to search");

String str = sc.nextLine();

if (set.contains(str)) {

System.out.println("Element is present in the given Set");

} else {

System.out.println("Element is not present in the given set");

}

}

// method to find the complete set in another set

public static void is_Contains(Set<String> set1, Set<String> set2) {

if (set1.containsAll(set2)) {

System.out.println("set2 is present in set1");

} else {

System.out.println("set2 is not present in set1");

}

}

public static void main(String[] args) {

// creating our TreeSet

Set<String> ts = new TreeSet<>();

// adding element to our set

// insertion order is maintained here

ts.add("Neha");

ts.add("Nisha");

ts.add("Nishu");

ts.add("Rekha");

ts.add("Madhu");

ts.add("Disha");

ts.add("Tara");

ts.add("Tara"); // duplicate element can't be added

// creating another TreeSet

Set<String> ts1 = new TreeSet<>();

ts1.add("Reena");

ts1.add("Sweety");

ts1.add("Sheetal");

// creating another TreeSet

Set<String> ts2 = new TreeSet<>();

ts2.add("Nisha");

ts2.add("Nishu");

ts2.add("Rekha");

ts2.add("Madhu");

ts2.add("Disha");

// is_Contains(ts);

is_Contains(ts, ts1);

is_Contains(ts, ts2);

}

}