A possible abuse of Java generics.

AutoCast.java

public class AutoCast {
  @SuppressWarnings("unchecked")
  public static <T> T cast(final Object object) {
    return (T) object;
  }
  
  public static void main(final String... args) {
    final String s = "test";
    final Object o = s;
    final String t = cast(o);
  }
}