Java Likely Quizzes, Examination Questions and Answers
1. What is the output of this
code?
int x,y;
x = 60;
y =
x;
System.out.print("xd");
System.exit(x);
System.out.print(y);
ANSWER: xd
2. Which operator terminates the statement in Java?
Select one:
a. (semicolon);
b. (colon):
c. (dot operator).
d. (comma),
ANSWER: A
3. What
is the value of the variable "result"?
double c = 3.0;
double
result;
result
= 4 + --c;
Select
one:
a. 1.0
b. 7.0
c. 6.0
d. 7
ANSWER: C
4. This statement below makes PI constant
final double PI = 3.142;
Select one:
a. True
b. False
ANSWER: True
5. By
default, the class members are ...
Select one:
a. Package private
b. protected
c. private
d. public
ANSWER: A
6. Which
lines of code print out "java" and move to the next line?
Select one or more:
a. System.out.print("java/n");
b. System.out.printf("%s%n",
"java");
c. System.out.println("java");
d. System.out.printf("%s\n","java");
ANSWER: B, C, D
7. What is
the output of this code?
String str1
= "switch bell";
String str2 = str1.replaceAll("bell","on");
Select one:
System.out.print(str2);
a. Compilation Error
b. switch on bell
c. switch bell on
d. switch on
ANSWER: D
8. What is
the output of this code?
int x = 13;
int y = 3;
System.out.println(x / y % 3);
ANSWER: 1
9. What is
the output of the expression below?
System.out.print(
"abc"
substring(1,3)
);
ANSWER: bc
10. Which
of the following is a valid declaration of a variable X of type int?
Select one or more:
a. int X = -6;
b. int X = 159.5;
c. int X = 34;
d. int X = -100.6;
ANSWER: A, C
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