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Syntax/Output and Variable Test
By Mickey Arnold
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Last updated almost 2 years ago
20 questions
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Question 1
1.
What is the output by the code below?
System.out.println( 3 + " " + 3 );
3
6
6 6
3 3
3" "3
Question 2
2.
What is the ASCII value of a space?
36
65
48
32
97
Question 3
3.
Which of the following would print one backslash on the screen if used in a print( ) or println( )?
\\\
/\
\b
\
\\
Question 4
4.
What is output by the following code?
System.out.println(""+3+4+5);
39
there is no output due to a compile error
75
12
345
Question 5
5.
What is the output by the code below?
System.out.println("Hello ");
System.out.print("people ");
System.out.println("everywhere ");
Hellopeopleeverywhere
Hello
people everywhere
Hello
people
everywhere
Hello people everywhere
Question 6
6.
What is output by the following code?
System.out.println(3+4+""+5*3);
36
757575
715
12
there is no output due to a compile error
Question 7
7.
What is the output by the code below?
int num = 5;
System.out.println("num");
num: 5
num
num = 5
5
num 5
Question 8
8.
What is the output by the code below?
System.out.println( "\"9" );
\"9
"9
9
99
\
Question 9
9.
What is the output by the code below?
char c = 65;
System.out.println(c);
A
65
0
a
c
Question 10
10.
Which of the following lines correctly defines a char variable?
char = a;
char ‘a’;
char = ‘a’;
char c = ‘a’;
char c = a;
Question 11
11.
Which of the following can be used to comment code in Java?
{*
[
}*
//
(
Question 12
12.
Which of the following is the tab character?
\r
\b
\t
\nl
\n
Question 13
13.
Which of the following lines correctly defines a String variable?
String s = cdef;
String = "cdef";
String s = "cdef";
String;
s = "cdef";
Question 14
14.
What of the following is not a legal reserved word for a java data type?
float
char
short
integer
double
Question 15
15.
What is the output by the code below?
int cost = 2.65;
System.out.println("Price: " + cost);
Price:
There is no output due to a error.
Price: 2.65
2.65
Question 16
16.
What is the output by the code below?
String s = "aplus";
System.out.println( s );
sulpa
s
aplus
plus
aplu
Question 17
17.
In Java, every program statement ends with a what ?
;
(
\
{
}
Question 18
18.
Every method must have an open and close what?
bracket
brace
period
chickens
semicolon
Question 19
19.
What is the output by the code below?
System.out.print( "ap\\lus" );
ap\lus
aplus
apl
us
apl\us
Question 20
20.
Which of the following is a 32 bit data type?
int
char
double
long
short