How to create thread pool in Java
How to create a simple thread pool in Java using ExecutorService, Executors, ThreadPoolExecutor and RejectedExecutionHandler classes.
JDBC Statement vs PreparedStatement
JDBC Statement vs PreparedStatement with example. Comparison between around SQL Injection using SELECT query.
How to sleep a thread in Java
How to sleep a thread in Java using Thread.sleep() method. Comparison between sleep millis an nanos.
How to create directory in Java
How to create directory in Java using File.mkdir() and File.mkdirs() methods. Contains multiple examples.
How to convert Inputstream to String in Java
How to convert a InputStream object to String object in Java using BufferedReader and InputStreamReader classes.
How to get free disk space in Java
How to get free disk space in Java using File.getFreeSpace(), File.getTotalSpace() and File.getUsableSpace().
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