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h2/src/test/org/h2/samples/HelloWorld.java

+/*
+ * Copyright 2004-2009 H2 Group. Multiple-Licensed under the H2 License,
+ * Version 1.0, and under the Eclipse Public License, Version 1.0
+ * (http://h2database.com/html/license.html).
+ * Initial Developer: H2 Group
+ */
+package org.h2.samples;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.Statement;
+import org.h2.tools.DeleteDbFiles;
+
+/**
+ * A very simple class that shows how to load the driver,
+ * create a database, create a table, and insert some data.
+ */
+public class HelloWorld {
+
+    /**
+     * Called when ran from command line.
+     *
+     * @param args ignored
+     */
+    public static void main(String... args) throws Exception {
+        // delete the database named 'test' in the user home directory
+        DeleteDbFiles.execute("~", "test", true);
+
+        Class.forName("org.h2.Driver");
+        Connection conn = DriverManager.getConnection("jdbc:h2:~/test");
+        Statement stat = conn.createStatement();
+
+        // this line would initialize the database from the SQL script file 'init.sql'
+        // stat.execute("runscript from 'init.sql'");
+
+        stat.execute("create table test(id int primary key, name varchar(255))");
+        stat.execute("insert into test values(1, 'Hello')");
+        ResultSet rs;
+        rs = stat.executeQuery("select * from test");
+        while (rs.next()) {
+            System.out.println(rs.getString("name"));
+        }
+        conn.close();
+    }
+
+}