java fileinputstream example

("TLSv1"); Sslcontext.init (NULL, TMF.GEttrustmanagers (), NULL); Sslsocketfactory socketfactory = Sslcontext.getsocketfactory (); Socket socket = Socketfactory.createsocket ("localhost", catserver.server_port); PrintWriter out = new PrintWriter (Socket.getoutputstream (), true); BufferedReader in = new BufferedReader (New InputStreamReader (Socket.getinputstream ())); Send ("Hello", out); Send ("Exit", out); Receive (in); Sock

the test taker hears the bell pool-1-thread-4 starts to answer the examinee hears the ringtone pool-1-thread-5 starts to answer the examinee pool-1-thread-4 to test the examinee pool-1-thread- 8 to test the examinee pool-1-thread-9 to test the examinee pool-1-thread-1 to test the examinee pool-1-thread-10 handed in the examinee pool-1-thread-3 handed in the examinee pool-1-thread-2 test taker pool-1-thread-6 test taker P Ool-1-thread-5 test Taker POOL-1-THREAD-7 Examination exam completed main

! See if Countdownlatch's Countdown method can clog me up! Examinee pool-1-thread-10 hand over to see Countdownlatch countdown method can block me! Examinee pool-1-thread-7 hand over to see Countdownlatch countdown method can block me! Examinee pool-1-thread-4 hand over to see Countdownlatch countdown method can block me! Examinee pool-1-thread-3 hand over to see Countdownlatch countdown method can block me! Examinee pool-1-thread-5 hand over to see Countdownlatch countdown method can block me!

JAVA beginners [20]-simple example of Hibernate, java-hibernate1. Introduction to Hibernate In many scenarios, you do not need to use JdbcTemplate to directly operate SQL statements. At this time, you can use the ORM tool to save a lot of code and development time. The ORM tool can shift the focus from error-prone SQL code to how to implement the real needs of ap

(intv) One { A synchronized(mysynchronized.class) - { - while(true) the { - System.out.println (v); - } - } + } - + Public voidRun () A { at Printval (val); - } -}View CodeAdditional Lock Examples:1 Public classMysynchronizedextendsThread2 {3 PrivateString name;4 5 PrivateString Val;6 7 Publicmysynchronized (string name, String v)8 {9 This. Name =name;Tenval =v; One } A

:c.show () =" +c.show ()); Output: 3:a.show () =c/* * When a superclass invokes an object of its subclass by declaring a reference variable (which is more appropriate to refer to it as a reference to an object), the method it calls must be a method of the subclass owned in the superclass. * 4 the variable AB is declared by a, refers to the object of B, so Ab.show () is called the Show () method in Class B, but if the use of the AB variable call ONLYB () * is not adjustable, because the method is

locationConnection.setrequestproperty ("Range", "bytes=" + startIndex+ "-" + EndIndex);Log Real DownloadSYSTEM.OUT.PRINTLN ("Real thread:" + threadId + ", download:" + StartIndex+ "--->" + endIndex);Connection.setdoinput (TRUE);Connection.setrequestmethod ("GET");Connection.setreadtimeout (5000);3. All data obtained from the server, return: 200, get some data from the server, return: 206int code = Connection.getresponsecode ();SYSTEM.OUT.PRINTLN ("code =" + code);InputStream is = Connection.get

Java Reflection detailed This article is still using a small example to illustrate, because I always feel that the case driven is the best, or only to see the theory, read also do not understand, but suggest that after reading the article, in retrospect to look at the theory, will have a better understanding. Start the text below. Case 1 Gets the complete package name and class name from an object

= Inputdata.readline (); if (Receivedata.equals ("Shutdown")) return false; System.out.println ("Client say:" + receivedata);} catch (Exception e) {System.out.println ("Receive error~"); System.exit (0);} return true;} String sendmsg () {Scanner sc = new Scanner (system.in); senddata = Sc.nextline (); outputdata.println (SendData); Outputdata.flush (); System.out.println ("I say:" + senddata); return senddata;}} public class Server{public static void Main (string[] args) {Serverconnect connect

Java UDP network programming is implemented mainly through the Datagramsocket and Datagrampacket two classes, the following is an example program,The server listens on UDP 2000 ports and prints the received long type valuesThe client then gets a long value by entering it and sends it to the server Server:/**//* Coding by NYZHL *Import java.net. * ;Import java.io. * ;public class Datagramserver ... {public s

Java basics-a simple example of JDOM operations-general Linux technology-Linux programming and kernel information. The following is a detailed description. The openness of JAVA attracts many companies and individuals to constantly improve JAVA's performance. JDOM is the creation result of two famous Java developers and

version of java7.0. March 18, 2014, Oracle publishes Java SE 8. The Java language tries to ensure that there are more than 1G in the system, and the other tools are as follows: Linux systems, Mac OS systems, Windows 95/98/2000/xp,win 7/8 systems. Java JDK 7, 8 ... Notepad Editor or other editor. Ide:eclipse After installing the above

Package com. xuankai. JDBC; Import java. Io. fileinputstream;Import java. Io. ioexception;Import java. SQL. connection;Import java. SQL. drivermanager;Import java. SQL. resultset;Import java