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Test.java

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import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.Statement;

public class Test {
	static Connection con; // 声明Connection对象
	static Statement sql; // 声明Statement对象
	static ResultSet res;

	public Connection getConnection() { // 连接数据库方法
		try {
			  Class.forName( "org.gjt.mm.mysql.Driver" );
			con = DriverManager.getConnection(
					"jdbc:mysql://127.0.0.1:3306/test", "root",
					"0000");

		} catch (Exception e) {
			e.printStackTrace();
		}
		return con; // 返回Connection对象
	}

	// ///////////////

	public static void insertdata() {
		Test c = new Test();
		con = c.getConnection();

		try {
			sql = con.createStatement();

			sql.executeUpdate("  insert  into  stu  values(12,'Shara' ) ;");
			

		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

}

Main.java

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Test.insertdata();
		System.out.println("finish");

	}

}

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输出 : finish

记得要加载jar别忘了

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