float double char boolean abstract assert break case catch char class const continue default do else
enum extends finally for goto if implements import instanceof interface native new package private
public return static strictfp super switch synchronized this throw throws transient try void volatle
while && default case break continue arrays System out println length static Heap JavaStacks this
extends abstract private final class implements private default protected overload override { try
Instanceof garbage collect gc try catch finally throw throws Exception catch RuntimeExcepion }
Throwable AnnotationTypeMismatchException NullPointerException NumberFormatException // stactic
Calendar c=Calendar.getinstance(); byte short int long Date Calendar
Calendar rightNow = Calendar.getInstance();GregorianCalendar