Differences

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--- java_introduction [2015/06/09 13:59]
Joel Dare [Compiled]
+++ java_introduction [2015/06/09 14:03]
Joel Dare [Using Libraries]
@@ Line 29: / Line 29: @@
   java Application
-==== SQLite Library ====
+==== Using Libraries ====
-You can download and use libraries as .jar files. You'll find the SQLite library on Bitbucket at the URL below.
+You can download and use libraries as .jar files. In this example I'll load the SQLite-jdbc library. You'll find it on Bitbucket at the URL below.
 https://bitbucket.org/xerial/sqlite-jdbc/downloads
@@ Line 37: / Line 37: @@
 Download the latest version and place it in the same directory as your application.
-Import the file into your application with the following line. In the Hello World example above this will be the first line in the Application.java file.
+Import the file into your application with the following line. This line will differ depending on the library you're loading. See the libraries documentation for the exact line to use. For the SQLite-jdbc library, in the Hello World example above, this will be the first line in the Application.java file.
     import java.sql.*;
@@ Line 56: / Line 56: @@
 I believe the colon (:) and semi-colon (;) are separators while the dot (.) indicates the current directory.
+Here's a full example of our Application.java file loading in the library and using it.
+<code>
+import java.sql.*;
+public class Application {
+	public static void main(String[] args) {
+	    Connection c = null;
+	    try {
+	      Class.forName("org.sqlite.JDBC");
+	      c = DriverManager.getConnection("jdbc:sqlite:hello.db");
+	    } catch ( Exception e ) {
+	      System.err.println( e.getClass().getName() + ": " + e.getMessage() );
+	      System.exit(0);
+	    }
+	    System.out.println("Opened database (hello.db) successfully");
+	}
+}
+</code>