1. For the expression (y >= z && a == b) to be true, at least one of (y >= z) and (a == b) must be true.   True   False   2. Objects of a subclass can be assigned to a super class reference.   True   False   3. The operations y >> 3 and y >>> 3 produce the same result when y > 0.   True   False   4. The == operator can be used to compare two String objects. The result is always true if the two strings are identical.   True   False   5. Declarations must appear at the start of the body of a Java method.   True   False   6. consider the statement "x = (a > b) ? a : b"; then the value of x is 27, if a = 18 and b = 27.   True   False   7. All bitwise operations are carried out with the same level of precedence in Java.   True   False