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Data Types and Variables

Data Types and Variables
What will the output of the following program?public class Test{ public static void main(String args[]){ float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); }}

2
3
0
25
2.5

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Data Types and Variables
What is the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte b = 6;4. b+=8;5. System.out.println(b);6. b = b+7;7. System.out.println(b);8. }9. }

None of these
Compilation fails with an error at line 4
14 21
14 13
Compilation fails with an error at line 6

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Data Types and Variables
In Java byte, short, int and long all of these are

Both of the above
None of these
unsigned
signed

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Data Types and Variables
Size of float and double in Java is

64 and 64
32 and 32
64 and 32
32 and 64

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Data Types and Variables
The smallest integer type is ......... and its size is ......... bits.

byte, 8
short, 8
short, 16
short, 16

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Data Types and Variables
The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } }

Prints false
Prints true
Will not compile as boolean can never be static
Will not compile as boolean is not initialized

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