More Topics More Topics Analysis Autoboxing Runtime comparison of string concatenation Sort Sort List in Java Sort Algorithms Quicksort Mergesort Debugging Analysing memory leaks Remote debugging of tomcat using eclipse jConsole guide for simple connection GWT nocache.js cached by browser Properly Shutting down an ExecutorService Fixes for Exceptions java.lang.NoClassDefFoundError max connections in application not in sync with db max c log4j2 issues with maven assembly plugin Lists Add elements of List to another List at a specific index Convert List to Array in Java Flatten a list of Strings Conversions Convert a String to an int in Java Convert an int to a String in java Tree Delete nodes from a Tree in Java Find the root node of a tree from any node in the Java Tree Java Tree implementation Utilities Lucene using spring. Scanner Class Generate Unique id using UUID in java Delete by id in hibernate Download an Excel using Servlet Thread safe caching of JAX-WS clientproxies Run any command via Java, You can even shutdown your computer An Executor with blocking submit() C# Examples