Chapter 1 Test: Syntax/Output/Variables

Every method must have an open and close what?

brace

Never put a semicolon before an open what?

brace

What is the output by the code below? System.out.println(3+" "+3);

3 3

What is the output by the code below? System.out.print("ab\\ab");

ab\ab

What is the output of the code below? System.out.print("abc");

abc

What is the output by the code below? String s = "abcdef"; System.out.println(s);

abcdef

What is the output by the code below? public static void main (String args [] ) { }

nothing

What is the output by the code below? System.out.println(3+6);

9

What is the output by the code below? int x = 9; double y = x; System.out.println(y);

9.0

What is the ASCII value of 'b'?

98

In Java, every program statement ends with a what?

;

What is the output by the code below? char c = 65; System.out.println(c);

A

Which of the following types uses the most memory?

double

Which of the following lines correctly defines a double variable?

double d = 234.1;

Which of the following methods will move the cursor down to the next line?

println()

Which of the following can be used to comment code in Java?

//

What is the output by the code below? double y = 9.0; int x = y; System.out.println(x);

There is no output due to a syntax error.

Which of the following is a 32 bit data type?

int

Which of the following lines correctly defines an integer variable?

int i = 234;

What of the following is not a legal reserved word for a java data type?

integer

Which of the following is a valid identifier in Java?

java1234

Which of the following is the newline character?

\n

What is the output by the code below? System.out.println("\"9");

"9

What is the ASCII value of 'B'?

66

Which of the following lines correctly defines a String variable?

String s = "cdef";

Which of the following would print one backslash on the screen if used in a print( ) or println( )?

\\

Which of the following is the tab character?

\t

What is the output by the code below? System.out.print("a\tc");

a

Which of the following types uses the least memory?

char

Which of the following lines correctly defines a char variable?

char c = 'a';