View Problem
Create a multithreaded "Hello World"
Create a program which outputs the string
Example:
-Output-
Thread one says Hello World!
Thread two says Hello World!
Thread four says Hello World!
Thread three says Hello World!
-Notice that the threads can print in any order.
java
clojure
clojure
clojure
groovy
groovy with gpars
Submit a new solution for java, csharp, clojure, or groovy
There are 14 other solutions in additional languages (cpp, erlang, fantom, fsharp ...)
"Hello World" to the console, multiple times, using separate threads or processes.
Example:
-Output-
Thread one says Hello World!
Thread two says Hello World!
Thread four says Hello World!
Thread three says Hello World!
-Notice that the threads can print in any order.
for (int i = 0; i < 4; i++) {
final int nr = i ;
new Thread(new Runnable() {
public void run() {
System.out.println("Thread " + new String[] { "one", "two", "three", "four" }[nr] + " says Hello World!");
}
}).start();
}
final int nr = i ;
new Thread(new Runnable() {
public void run() {
System.out.println("Thread " + new String[] { "one", "two", "three", "four" }[nr] + " says Hello World!");
}
}).start();
}
(doseq [msg ["one" "two" "three" "four"]]
(future (println "Thread" msg "says Hello World!")))
(future (println "Thread" msg "says Hello World!")))
(dorun (pmap #(println (str "Thread " % " says Hello World!")) '("one" "two" "three" "four")))
(dorun (map (fn [n] (.start (Thread. #(println (str "Thread " n " says Hello World!")))))
'("one" "two" "three" "four")))
'("one" "two" "three" "four")))
["one","two","three","four"].each { tid ->
Thread.start {
println "Thread $tid says Hello World!"
}
}
Thread.start {
println "Thread $tid says Hello World!"
}
}
import static groovyx.gpars.Parallelizer.*
withParallelizer {
["one","two","three","four"].eachParallel {
println "Thread $it says Hello World!"
}
}
withParallelizer {
["one","two","three","four"].eachParallel {
println "Thread $it says Hello World!"
}
}
Submit a new solution for java, csharp, clojure, or groovy
There are 14 other solutions in additional languages (cpp, erlang, fantom, fsharp ...)
