Java

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question

1) Which of the following statement prints smith\exam1\test.txt? 1) A) System.out.println("smith"\exam1"\test.txt"); B) System.out.println("smith\exam1\test.txt"); C) System.out.println("smith\\exam1\\test.txt"); D) System.out.println("smith\"exam1\"test.txt"); 2) An int variable can hold ________. (Choose all that apply.) 2) A) 120 B) 120.0 C) "x" D) "120" E) 'x' 3) Suppose x is 1. What is x after x-= 1? 3) A) 0 B) 1 C) 2 D) -1 E) -2 4) What is y displayed in the following code? public class Test { public static void main(String[ ] args) { int x= 1; int y= x+++ x; System.out.println("y is "+ y); } } 4) A) y is 1. B) y is 4. C) y is 2. D) y is 3. 5) According to Java naming convention, which of the following names can be variables? (Choose all that apply.) 5) A) findArea B) TOTAL_LENGTH C) FindArea D) totalLength E) class 1 6) What is y displayed in the following code? public class Test1 { public static void main(String[ ] args) { int x= 1; int y= x= x + 1; System.out.println("y is "+ y); } } 6) A) y is 2 because x + 1 is assigned to x and then x is assigned to y. B) y is 1 because x is assigned to y first. C) y is 0. D) The program has a compile error since x is redeclared in the statement int y= x = x+ 1. 7) What is the printout of System.out.println('z'- 'a')? 7) A) z B) a C) 25 D) 26