How to update a record using JDBC PreparedStatement
How to update a record using JDBC PreparedStatement to avoid SQL injection.
How to insert a record using JDBC PreparedStatement
How to insert a new record using JDBC PreparedStatement in Java to avoid SQL injection. Example with auto-increment table.
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 convert Inputstream to String in Java
How to convert a InputStream object to String object in Java using BufferedReader and InputStreamReader classes.
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