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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); }}

25
2
3
2.5
0

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

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

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Data Types and Variables
What will be output of the following program code?public class Test{public static void main(String[] a){short x = 10;x = x*5;System.out.print(x);} }

Compilation Error
10
50
None of these

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Data Types and Variables
How many primitive data types are there in Java?

7
6
9
8

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Data Types and Variables
Size of int in Java is

32 bit
Depends on execution environment
16 bit
64 bit

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

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