FileDemo6.java
import java.io.*; class FileDemo1{ public static void main(String ar[])throws IOException { File f=new File("H:/"); MyFilter filter=new MyFilter(); String s[]=f.list(filter); for(String s1:s){ System.out.println(s1); } } } class MyFilter implements FilenameFilter { public boolean accept(File d,String n) { return n.endsWith(".java"); } }
HSQLDB is a portable RDBMS implemented in pure java. It can be embedded with your application as well as can be used separately. It is very a small database that supports almost all features of the standard database system. It comes with small jar file that can be found in lib folder. The HSQLDB jar package is located in the /lib directory of the ZIP package and contains several components and programs. Core components of jar file are : HyperSQL RDBMS Engine (HSQLDB), HyperSQL JDBC Driver, Database Manager, and Sql Tool. Installing and Using Download: download latest release of HyperSQL database from http://hsqldb.org website and extract it. You will see following contents. Here "bin" directory contains some batch files those can be used to run a swing based GUI tool. You can use runManagerSwing.bat to connect to database, but database must be on before running it. Directory lib contains File hsqldb.jar . It is the database to be used by you. Running database First
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