Intro to java

1. What would be output by the following program? class Final public static void main (String[] args) int x 5, y 2: y bar (x) System.out.printin("x+x y y) static int foo (int w, int x) system.out.printin ("Foo: x) return w x static int bar(int a) at+ return foo (a, a-1) B. Foo: 2 x-5 x-5 y-2 A. Foo: w-6 x-5 x-6 y-2 D. Foo: 6x-5 x 5 y-30 E. x-5 y-2 C. Foo: w5 x-4 x-5 y-20 2. Which of the following is true about the role of the compiler and interpreter (java" runtime environment) in a java program? A. The interpreter interprets the java text file written by the programmer B. The interpreter generates execution instructions for the current machine as it runs the program. C. The compiler generates executable code for a specific platform /operating system D. The compiler generates byte code for the "Java Virtual Machine E. Both B and D are true. Which one of the following statements is false? A. Once you declare a variable in Java, you cannot change its data type. B. An algorithm is a sequence of steps to accomplish a task. C. Java is a low-level programming language. D. Main memory is commonly called RAM. E. All of a computer's information is stored internally in a binary form. 3. 4. What is output by the following code? boolean b false System.out.print b 11 false) +j++) D. true 8 A. false 7 B. true 7 C. false8 E. true 78