Wipro Interview questions- Java 8 Stream - @ Apple Inc. code
1050 ワード
import java.util.*;
public class StreamDemo {
public static void main(String[] args) {
// TODO Auto-generated method stub
List libray = new ArrayList();
libray.add(new Book("hua", "Stream Demo", 5));
libray.add(new Book("hua", "Do more practice", 5));
libray.add(new Book("hua", "Focus on basics", 5));
String authorName = "hua";
List collection = new ArrayList();
libray.stream().filter(e -> e.getAuthor() == authorName).forEach(e -> collection.add(e.getName()));
System.out.print(collection);
}
}
class Book {
String author;
String name;
int number;
public Book(String authorName, String bookName, int num) {
author = authorName;
name = bookName;
number = num;
}
public String getAuthor() {
return author;
}
public String getName() {
return name;
}
public int getNumber() {
return number;
}
public void setNumber(int num) {
number = num;
}
}