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- 1. Multiple Choice
Which of the following is NOT a data types in java
int
String
number
double
- 2. Multiple Choice
What is right way of defining String variable?
String name = "John";
String name = "John"
String name = John;
String name "John";
- 3. Multiple Choice
float myFloatNum = 5.99f;
System.out.println(myFloatNum);
What will be the output?
5.99
5.99f
"5.99"
"5.99"f
- 4. Multiple Choice
int x = 5;
int y = 6
int z = 50;
System.out.println(x + y + z);
What will be the output?
61
5650
66
x + y + z
- 5. Multiple Choice
Based on, the general rules for constructing names for variables.
Pick false statement.
Names can contain letters, digits, underscores, and dollar signs.
Names are NOT case sensitive
Reserved words (like Java keywords, such as int or String) cannot be used as names
Names can also begin with $ and _
- 6. Multiple Choice
Which of the following is NOT a NON-primitive data type
String
Array
double
class
- 7. Multiple Choice
which of the following is NOT a primitive data type?
byte
array
char
boolean
- 8. Multiple Choice
Which of the following is the right way of defining char variable?
char myGrade = 'B';
char myGrade = "B";
char myGrade 'B';
char myGrade = "B"
- 9. Multiple Choice
int sum1 = 100 + 50;
int sum2 = sum1 + 250;
int sum3 = sum2 + sum2;
System.out.println(sum3);
What will be the final output?
950
800
sum2sum2
sum1250
- 10. Multiple Choice
Which of the following is assignment operator?
==
=
=+
++
- 11. Multiple Choice
int x = 10;
x = x + 5;
System.out.println(x);
What will be the output?
15
5
55
x5
- 12. Multiple Choice
x /= 3
Which of the below statements matches with above statement?
x = 3 / x
x = x / 3
x / 3
x /x = 3
- 13. Multiple Choice
int x = 4;
System.out.println(x < 5 && x < 10);
What will be the output?
false
true
4
x < 5 && x < 10
- 14. Multiple Choice
int x = 4.4;
int y = 5.5;
System.out.println(x == y);
What will be the output?
4.4
true
false
5.5
- 15. Multiple Choice
What is the output of below code?
int x = 5;
System.out.println(x++);
System.out.println(x);
5
5
6
6
5
6
6
5
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