int[] numbers;the base type of
numbers is int. Where the base type is a class type, it indicates the lowest super type of objects that may be stored in the array. For instance, in Ship[] berths;only instances of the
Ship class may be stored in berths. If the base type of an array is Object, instances of any class may be stored in it.0 and 1 are used. Digit positions represent successive powers of 2. See bit.+, -, *, / and %, and the boolean operators &&, || and ^, amongst others.0 and 1. Bits are the fundamental building block of both programs and data. Computers regularly move data around in multiples of eight-bit units (bytes for the sake of efficiency).&, | and ^, that are used to examine an manipulate individual bits within the bytes of a data item. The shift operators, <<, >> and >>>, are also bit manipulation operators.