//How to use Stream in java?

package conversionlist;

public class ConsumerProduct {

               

                int cpid;

                String cpName;

                float cpPrice;

                public ConsumerProduct(int cpid, String cpName, float cpPrice) {

                                super();

                                this.cpid = cpid;

                                this.cpName = cpName;

                                this.cpPrice = cpPrice;

                }

               

}

package conversionlist;

import java.util.ArrayList;

import java.util.List;

import java.util.stream.Collectors;

public class ConsumerProductMain {

               

                public static void main(String[] args) {

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

                                ConsumerProduct cp1=new ConsumerProduct(101, "laptop", 45000.00f);

                                ConsumerProduct cp2=new ConsumerProduct(102, "computer", 25000.00f);

                                ConsumerProduct cp3=new ConsumerProduct(103, "cooler", 5000.00f);

                                ConsumerProduct cp4=new ConsumerProduct(104, "ac", 19000.00f);

                                ConsumerProduct cp5=new ConsumerProduct(105, "mobile", 15000.00f);

                                l.add(cp1);

                                l.add(cp2);

                                l.add(cp3);

                                l.add(cp4);

                                l.add(cp5);

                                List<Float> price = l.stream()

                                                                .filter(p->p.cpPrice>10000.00f)

                                                                .map(m->m.cpPrice)

                                        .collect(Collectors.toList());

                                        System.out.println(price);

                                       

                                       

                                       

                               

                }}

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

[45000.0, 25000.0, 19000.0, 15000.0]