multithreading interview questions java advanced

() is called, all currentwait for the thread to continue execution; Manager.arriveandawaitadvance () can be called in the course execution; Wait for other threads, and we can call Manager.getarrivedparties () to see the number of waiting threads;/** * * @author Lean @date: 2014-9-29 */public class Horserace {private final int number_of_horse=12;private static FINA l int init_parties=1;private static final Phaser manager=new Phaser (init_parties);p ublic static void Main (string[] args) { Check

piece of data, which applies to data that is often read but rarely updated* Transactional: This strategy is a fully transactional cache strategy, can be used in JTA environment 7, hibernate inside the sorted collection and ordered collection what is the difference Sorted collection is sorted in memory through the Java comparerThe ordered collection is the 8, hibernate, and why they are sorted in the database by ordering by. 1. Read and resolve confi

I. Application of the factory model in development Interview Questions:Write a simple calculator. Code implementation: Abstract An operation class: Package COM. qianyan. calcuator; public abstract class operation {// number one private double num1; // number two private double num2; Public double getnum1 () {return num1;} public void setnum1 (double num1) {This. num1 = num1;} public double getnum2 () {return num2;} public void setnum2 (double num2)

difference between the 5.sendRedirect () and Forward () methods?The Sendredirect () method creates a new request, and the forward () method simply forwards the request to a new target. After redirection (redirect), objects that were within the scope of the previous request are invalidated because a new request is generated, and after forwarding (forwarding), objects within the scope range of the previous request can be accessed. Sendredirect () is generally considered to be slower than forward

The dashed box represents the interface, the solid wireframe represents the entity class, The thick wireframe represents the most commonly used entity classes, the dashed arrows indicate the implementation of the interface, and the implementation arrows indicate that the class can make objects of the class that the arrows refer to. Collection: Allows only one object to be placed in each location. It includes a list of "holding a set of objects in a certain order", and a set that "only allo

Recently planned to change jobs, also interviewed a few, because not their favorite so refused some (of course, there are people don't want my ...). ）。 During the interview process, it was found that the investigation of senior Java programmers was mainly about two aspects of knowledge and depth. Here are the questions you encounter during the

Computer questions (advanced)-Electronic Dictionary (Java) English translation required Input help to output all words Import java. io. bufferedReader; import java. io. file; import java. io. fileInputStream; import

with a short code. Convert multiple spaces to a space (5 points)String s = "s tr in G";S=s.replaceall ("+", "");7. Using the socket to write a program, the client sends a request to the server side (to send a string), the service side to send feedback information. (10 points)TCP protocolOnline examples many find themselves. Code too long8. Implement Oracle paging queries with SQL statements. (10 points)SELECT * FROM (select ROWNUM rn,t.* from TableName t where T.rn Select * from TableName where