Ideone.com/* package whatever; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ class Ideone { public static void main (String[] args) throws java.lang.Exception { // your code goes here } }
https://jp.techcrunch.com/2014/01/03/20140102code-discovery-service-runnable-adds-cc-and-java-support-launches-company-channels/
CodingBat Java
