CSE 205 Midterm Exam Verified Study Questions And Answers

CSE 205 Midterm Exam Verified Study Questions
And Answers
Which of the following are valid Java Identifiers? Choose all that apply.


a) i
b) 1tax
c) java_&_point

d) abc123
e) sum and difference
f) My Variable
g) sum_of_array
h) TESTVARIABLE
j) 1_age

k) sum&difference ANS a) i

d)abc123

g)sum_of_array
h) TESTVARIABLE


What will be the output of this code?
int x = 3;
int y = 10;
int a = y;
y = x;

x = a;

System.out.print(x); ANS 10



Evaluate this logical expression:

! false || ! true ANS true



Evaluate this expression: 1 + 1 <= 4 && 16 - 5 > 10 ANS False

, Which of the following are NOT Java primitive data types? Choose all that apply.
a)boolean

b)class
c)float
d)String
e)Random

f)int
g)double
h)char
i)Array

j)Math ANS b) class

d) String
e)Random
i)Array

j)Math


Which of the following Java literals have the data type double? Choose all that apply.
a)123.0

b)"true"
c)'a'
d)3f
e)false

f)-3
g)123
h)1.23f
i)true
j)"3.0"
k)-1.23

l)'\n' ANS a)123.0

f)-3