Set<String> immutableNamesSet = people.stream() .map(Person::getName) .collect(toImmutableSet()); ConclusionIn Java 8, the introduction of the Stream API and Stream Collectors revolutionized the way we work with collections and aggregate data. Collectors provide a powerful and flexible ...
Java 8 java.util.stream package consists of classes, interfaces and an enum to allow functional-style operations on the elements. It performs lazy computation. So, it executes only when it requires. For more information and examples:click here ...
//2.获取一个IO流,开始写数据 OutputStream os = socket.getOutputStream(); os.write("hello".getBytes()); //3.释放资源 os.close(); socket.close(); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 接收端 public class ServerDemo04 { public static void main(String[]...
Socket(InetAddress创建一个流套接字并将其连接到指定 IP 地址的指定端口号。 InputStream getInputStream() 返回此套接字的输入流。 OutputStream getOutputStream()返回此套接字的输出流。 void close()关闭此套接字。 2、java.net 类ServerSocket 此类实现服务器套接字。服务器套接字等待请求通过网络传入。它...
Java 8 StringJoiner with examples and topics on functional interface, anonymous class, lambda for list, lambda for comparable, default methods, method reference, java date and time, java nashorn, java optional, stream, filter etc.
stream: The stream module is used to include the methods to handle streaming data. query string: The query string module is used to include the methods to work with a query string. zlib: The zlib module is used to include the methods to compress or decompress the files used in an applica...
It includes core topics like OOPs, String, Regex, Exception, Inner classes, Multithreading, I/O Stream, Networking, AWT, Swing, Reflection, Collection, etc. 2) Java EE (Java Enterprise Edition) It is an enterprise platform that is mainly used to develop web and enterprise applications. It ...
The transient keyword in Java is used to indicate that a variable should not be serialized when an object is transformed into a byte stream (for example, during object serialization). This is particularly useful when you have variables that contain sensitive data or information that can be ...
Distinct Character Count Java Stream EOFException in Java ExecutionException Java 8 Generic Object in Java How to Create an Unmodifiable List in Java How to Create Dynamic SQL Query in Java How to Return a 2D Array in Java Java 8 Stream.distinct() Method Java setPriority() Method Mutator Metho...
Flash was widely used to play video and audio content, play online games, and display interactive web pages in the early 2000s, and it was widely installed on desktop PCs. Former PayPal employees created YouTube in 2005, and it relied on Adobe Flash Player to stream compressed video content...