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 create Builder design pattern in Java
How to create Builder Design Pattern in Java using simple example and comparison with classic instantiation.
How to get free disk space in Java
How to get free disk space in Java using File.getFreeSpace(), File.getTotalSpace() and File.getUsableSpace().
How to convert byte size into human readable format in java
How to convert byte sizes into human readable format using Java. Convert from Kilobyte to Yottabyte.
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