19) In order to create a constant, you would use which of the following Java reserved words? 20 ) In order to create a constant, you would use which of the following Java reserved words? 21.) Assume that x, y, and z are all integers (int) equal to 50, 20, and 6 respectively. A) private B) static C) int D) final E) class A) private B) static C) int D) final E) class What is the result of x /y/z? A)0 B) 12 C) 16 D) A syntax error as this is syntactically invalid 22) When executing a program, the processor reads each program instruction from A) secondary memory (storage) B) the Internet C) registers stored in the processor D) main memory B) 24. Which one is a valid declaration of a boolean? A. boolean bl = 1; B. boolean b2 = 'false'; C. boolean b3 false, D. boolean b4-true