Wednesday, 31 May 2017

Java Lambda expressions[How to filter the personList - startswith] | Lambda expression in Java


Click here to watch in Youtube :
https://www.youtube.com/watch?v=SYCyF-NJ-jU&list=UUhwKlOVR041tngjerWxVccw

Person.java
public class Person
{
    private String name;
    private int age;

    public Person(String name, int age)
    {
        super();
        this.name = name;
        this.age = age;
    }

    public String getName()
    {
        return name;
    }

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

    public int getAge()
    {
        return age;
    }

    public void setAge(int age)
    {
        this.age = age;
    }

    @Override
    public String toString()
    {
        return "Person [name=" + name + ", age=" + age + "]";
    }

}
LambdaDemo.java
import java.util.Arrays;
import java.util.List;

public class LambdaDemo
{
    public static void main(String[] args)
    {

        List<Person> personList = Arrays.asList(new Person("Carla", 33),
                new Person("Balu", 32), new Person("Bharth", 40),
                new Person("Ajay", 31));

        personList.stream().filter(person -> person.getName().startsWith("B"))
                .forEach(person -> System.out.println(person));
    }

}
Output
Person [name=Balu, age=32]
Person [name=Bharth, age=40]

Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/LambdaDemo_filter_list_person_startswith_app.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/LambdaDemo_filter_list_person_startswith_app

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/b58cad09932cc81678f7144749cb560485c5bdd8/BasicJava/LambdaDemo_filter_list_person_startswith_app/?at=master

See also:
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