ConcurrentSkipListMap containsKey() method in Java with Examples

// Java Program Demonstrate containsKey()
// method of ConcurrentSkipListMap

import java.util.concurrent.*;

class GFG {
    public static void main(String[] args)
    {

        // Initializing the map
        ConcurrentSkipListMap<Integer, Integer>
            mpp = new ConcurrentSkipListMap<Integer,
                                            Integer>();

        // Adding elements to this map
        for (int i = 1; i <= 5; i++)
            mpp.put(i, i);

        // Checks if 9 is present in the map
        if (mpp.containsKey(9))
            System.out.println("9 is present"
                               + " in the mpp.");
        else
            System.out.println("9 is not present"
                               + " in the mpp.");
    }
}

// Java Program Demonstrate containsKey()
// method of ConcurrentSkipListMap

import java.util.concurrent.*;

class GFG {
    public static void main(String[] args)
    {

        // Initializing the map
        ConcurrentSkipListMap<Integer, Integer>
            mpp = new ConcurrentSkipListMap<Integer,
                                            Integer>();

        // Adding elements to this map
        for (int i = 1; i <= 5; i++)
            mpp.put(i, i);

        // Checks if 4 is present in the map
        if (mpp.containsKey(4))
            System.out.println("4 is present"
                               + " in the mpp.");
        else
            System.out.println("4 is not present"
                               + " in the mpp.");
    }
}