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Data Types and Variables

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

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

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Data Types and Variables
In Java, the word true is ................

A Java keyword
A Boolean literal
Same as value 0
Same as value 1

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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. }

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

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Data Types and Variables
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC );

None of these
Rraises an error as STATIC is used as a variable which is a keyword
Prints 2.5
Raises an exception

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Data Types and Variables
What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }}

20
Compilation Error
21
Throws Exception
22

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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); }}

0
25
3
2.5
2

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