Java Stream Example : Convert List into Set

package conversionlist;

public class Product {

           

            int pid;

            String pname;

            float pprice;

            public int getPid() {

                        return pid;

            }

            public void setPid(int pid) {

                        this.pid = pid;

            }

            public String getPname() {

                        return pname;

            }

            public void setPname(String pname) {

                        this.pname = pname;

            }

            public float getPprice() {

                        return pprice;

            }

            public void setPprice(float pprice) {

                        this.pprice = pprice;

            }

           

}

package conversionlist;

import java.util.ArrayList;

import java.util.List;

import java.util.Set;

import java.util.stream.Collectors;

public class ProductMain {

                public static void main(String[] args) {

                               

                                List<Product> l=new ArrayList<>();

                                Product p1=new Product();

                                p1.setPid(101);

                                p1.setPname("mobile");

                                p1.setPprice(10000.00f);

                               

                                Product p2=new Product();

                                p2.setPid(102);

                                p2.setPname("laptop");

                                p2.setPprice(45000.00f);

                                Product p3=new Product();

                                p3.setPid(103);

                                p3.setPname("tv");

                                p3.setPprice(17000.00f);

                                Product p4=new Product();

                                p4.setPid(104);

                                p4.setPname("fridge");

                                p4.setPprice(19000.00f);

                                Product p5=new Product();

                                p5.setPid(105);

                                p5.setPname("thinkpad");

                                p5.setPprice(17000.00f);

                                l.add(p1);

                                l.add(p2);

                                l.add(p3);

                                l.add(p4);

                                l.add(p5);

                               

                               

                                //  Converting product List into Set

                               

                                Set<Float> price=l.stream()

                                                                .filter(p->p.getPprice()<20000.00f)

                                                                .map(p->p.getPprice())

                                                                .collect(Collectors.toSet());// collect it as Set(remove duplicate elements)

                                        System.out.println(price);

                                       

                                    

                               

                }

}

o/p:--------------------------

[17000.0, 19000.0, 10000.0]