how to resize a window code example

Example 1: window resize done

function resizedw(){
    // Haven't resized in 100ms!
}

var doit;
window.onresize = function(){
  clearTimeout(doit);
  doit = setTimeout(resizedw, 100);
};

Example 2: resize browser window

To resize browser window 
-I would create object of dimensions class
Dimension newD = new Dimension(480,620)
-Than I resize the current window to the given dimension
driver.manage().window().setSize(newD)