A.float f=11.1; B.double d=5.3E12; C.double d=3.14159; D.double d=3.14D;
A.long number=345L B.long number=0345 C.long number=0345L D.long number=0x345L
A.int,byte,char B.int,short,long,byte,char C.int,short,long,char D.int,short,long,byte