title: java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver at java.net.URLClassLoader.findClass(Unknown Source)
body: <p>I have a simple JAVA class copied from tutorial Point.
  I am in learning stage of JAVA.</p>
  
  <pre><code>//STEP 1. Import required packages
  import java.sql.*;
  
  public class FirstExample {
  // JDBC driver name and database URL
  static final String JDBC_DRIVER = "oracle.jdbc.driver.OracleDriver";  
  static final String DB_URL = "jdbc:oracle:thin:@localhost:1521:XE";
  
   //  Database credentials
  static final String USER = "primedetail";
  static final String PASS = "primedetail";
  
   public static void main(String[] args) {
   Connection conn = null;
   Statement stmt = null;
   try{
    //STEP 2: Register JDBC driver
    Class.forName("oracle.jdbc.driver.OracleDriver");
  
    //STEP 3: Open a connection
    System.out.println("Connecting to database...");
    conn = DriverManager.getConnection(DB_URL,USER,PASS);
  
    //STEP 4: Execute a query
    System.out.println("Creating statement...");
    stmt = conn.createStatement();
    String sql;
    sql = "SELECT id, first, last, age FROM Employees";
    ResultSet rs = stmt.executeQuery(sql);
  
    //STEP 5: Extract data from result set
    while(rs.next()){
       //Retrieve by column name
       int id  = rs.getInt("id");
       int age = rs.getInt("age");
       String first = rs.getString("first");
       String last = rs.getString("last");
  
       //Display values
       System.out.print("ID: " + id);
       System.out.print(", Age: " + age);
       System.out.print(", First: " + first);
       System.out.println(", Last: " + last);
    }
    //STEP 6: Clean-up environment
    rs.close();
    stmt.close();
    conn.close();
   }catch(SQLException se){
    //Handle errors for JDBC
    se.printStackTrace();
   }catch(Exception e){
    //Handle errors for Class.forName
    e.printStackTrace();
   }finally{
    //finally block used to close resources
    try{
       if(stmt!=null)
          stmt.close();
    }catch(SQLException se2){
    }// nothing we can do
    try{
       if(conn!=null)
          conn.close();
    }catch(SQLException se){
       se.printStackTrace();
      }//end finally try
   }//end try
   System.out.println("Goodbye!");
  }//end main
  }//end FirstExample
  </code></pre>
  
  <p>I changed the DB strings and ran the file from cmd prompt ad notepad</p>
  
  <pre><code> C:\SK\Java1\1&gt;javac FirstExample.java
  
    C:\SK\Java1\1&gt;java FirstExample
    java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
      at java.net.URLClassLoader.findClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
      at java.lang.ClassLoader.loadClass(Unknown Source)
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Unknown Source)
      at FirstExample.main(FirstExample.java:18)
   Goodbye!
  
    C:\SK\Java1\1&gt;
  </code></pre>
  
  <p>I have tried copies jaba12.xar to class path C:\SK\Java1\1, it did not work out..
  Any help is welcome..
  Thanks in Advance..</p>