Problema ao conectar com MySQL!

import java.sql.*;

public class Principal {
	Connection connection;
	Statement statement;
	
	public Principal() {
		super();
		
		try {
			
			String user = "root@localhost";
			String password = "xxxxxx";
			String url = "jdbc:mysql://127.0.0.1/test/user="+user+"&password=xxxxxx";
			
			Class.forName("com.mysql.jdbc.Driver");//.newInstance();
			
			connection = DriverManager.getConnection(url);
			System.out.println(connection.isClosed());
		}
		catch(ClassNotFoundException ex) {
			ex.printStackTrace();
		}
		catch(SQLException ex) {
			ex.printStackTrace();
		}
		catch(Exception ex) {
			ex.printStackTrace();
		}
		
	}
	
	public static void main(String[] args) {
		new Principal();
	}

}

java.sql.SQLException: Unable to connect to any hosts due to exception: java.net.SocketException: java.net.ConnectException: Connection refused: connect

** BEGIN NESTED EXCEPTION ** 

java.net.SocketException
MESSAGE: java.net.ConnectException: Connection refused: connect

STACKTRACE:

java.net.SocketException: java.net.ConnectException: Connection refused: connect
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:143)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:225)
	at com.mysql.jdbc.Connection.createNewIO(Connection.java:1805)
	at com.mysql.jdbc.Connection.<init>(Connection.java:452)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at Principal.<init>(Principal.java:18)
	at Principal.main(Principal.java:34)


** END NESTED EXCEPTION **


	at com.mysql.jdbc.Connection.createNewIO(Connection.java:1875)
	at com.mysql.jdbc.Connection.<init>(Connection.java:452)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:411)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at Principal.<init>(Principal.java:18)
	at Principal.main(Principal.java:34)