Friday, 20 January 2017

TreeMap : Replace


import java.util.TreeMap;

public class Replace {

    public static void main(String[] args) {
        // TODO Auto-generated method stub

       

        TreeMap<Integer, Integer> lhm1 = new TreeMap<>();
        lhm1.put(10, 1);
        lhm1.put(20, 2);
        lhm1.put(30, 3);
        lhm1.put(40, 4);
        lhm1.put(50, 5);
       
       
       
        System.out.println("Full-List : "+lhm1);
               
        lhm1.replace(30, 30);
        //System.out.println("pollFirstEntry() : "+ lhm1.pollFirstEntry());
        System.out.println("Full-List after replace(k, v) ex-(30, 30) : "+lhm1);
       
        System.out.println("after replace(k, oldV, newV) ex-(50, 5, 100) : "+lhm1.replace(50, 5, 100));
        System.out.println("Full-List : "+lhm1);
       
    }
}

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