Java 8 Stream collect method example.

package com.java2novice.streams;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import com.java2novice.lambda.Employee;

public class StreamCollectEx {

	public static void main(String a[]) {

		List<Employee> empList = new ArrayList<>();
		empList.add(new Employee("Nataraja G", "Accounts", 8000));
		empList.add(new Employee("Nagesh Y", "Admin", 15000));
		empList.add(new Employee("Vasu V", "Security", 2500));
		empList.add(new Employee("Amar", "Entertainment", 12500));

		// find employees whose salaries are above 10000
		List<Employee> filteredList = empList.stream()
											.filter(emp->emp.getSalary() > 10000)
											.collect(Collectors.toList());

		filteredList.forEach(System.out::println);
	}
}

package com.java2novice.lambda;

public class Employee {

	private String name;
	private String account;
	private Integer salary;

	public Employee(String name, String account, Integer salary) {
		super();
		this.name = name;
		this.account = account;
		this.salary = salary;
	}

	@Override
	public String toString() {

		return "name: "+ this.name +" | account: "+ this.account +" | salary: "+this.salary;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAccount() {
		return account;
	}

	public void setAccount(String account) {
		this.account = account;
	}

	public Integer getSalary() {
		return salary;
	}

	public void setSalary(Integer salary) {
		this.salary = salary;
	}
}

name: Nagesh Y | account: Admin | salary: 15000
name: Amar | account: Entertainment | salary: 12500