Selenium web driver error : DriverPath does not exist

public class TestRunner extends BaseSetup {
private WebDriver driver;
private BaseSetup baseSetup;
private TestRunner testRunner;
static String driverPath = "D:\\selenium\\chromedriver_win32\\chromedriver.exe";

@BeforeClass
public void setUp() {
    System.out.println("Launching google chrome with new profile..");
    System.setProperty("webdriver.chrome.driver", driverPath
            + "chromedriver.exe");
    WebDriver driver = new ChromeDriver();
    driver.manage().window().maximize();

}

@Test
public void testUrl() {
    System.out.println("im in first test case from demoOne Class");
}

} /I am using above code to run chrome browser using selenium.Its only showing error that the driperpath does not exist/