How to connect to a MySQL database in java? [closed]

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i have a Mysql database named "patterns" created in netbeans and i want know how to connect a database in java .

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From a comment further down

public MyDBConnection() { } 
public void init(){ 
  try{ 
    Class.forName("com.mysql.jdbc.driver"); 
    myConnection=DriverManager.getConnection( "jdbc:mysql://localhost/patterns","root", "foufa" );
  } catch(Exception e开发者_如何转开发){ 
    System.out.println("Failed to get connection"); 
    e.printStackTrace(); 
  } 
} 

i tried this but it prints out "Failed to get connection"

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Take a look at the JDBC trail of the Java tutorial.