package com.example.demo;

import lombok.extern.log4j.Log4j2;

import org.junit.Test;

import java.io.IOException;

import java.io.PrintWriter;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.time.Instant;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.Vector;

import java.util.stream.Collectors;

import java.util.stream.Stream;

import static org.junit.Assert.assertTrue;

@Log4j2

public class EmployeeTestCase extends BaseTestCase {

    @Test

    public void count(){

        long lCount = list.stream().count();

        assertTrue(lCount == 5);

        int iCount = 0;

        for(Employee employee :list){

            if(employee.getSalary()==2000){

                iCount ++;

            }

        }

        log.info("iCount:{}",iCount);

        long lCount2 = list.stream().filter(employee -> employee.getSalary() == 2000).count();

        assertTrue(iCount == lCount2);

    }

}

package com.example.demo;

import java.util.Arrays;

import java.util.List;

public class BaseTestCase {

    protected static final List<Employee> list = Arrays.asList(

            new Employee(1, "Alex", 1000),

            new Employee(2, "Michael", 2000),

            new Employee(3, "Jack", 1500),

            new Employee(4, "Owen", 1500),

            new Employee(5, "Denny", 2000));

}