This shouldn't be necessary, anti-aliasing should be turned on by default in the Java VM. Is your desktop manager turning it off? What sort of display are you using?

The option that you're using here (lcd) specifically overrides anti-aliasing so that it works for LCD screens that use RGB bars in a horizontal orientation, which is (very?) common, but not universal. If I set this as the default, it will break smoothing on other devices, or give it strange halos because the pixels are in a different order or vertical instead of horizontal.

Docs for the flag here and the lcd option maps to this setting.