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Data Types and Variables

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

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

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

signed
None of these
Both of the above
unsigned

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Data Types and Variables
Determine output:public class Test { static void test(float x){ System.out.print("float"); } static void test(double x){ System.out.print("double"); } public static void main(String[] args){ test(99.9); }}

Exception is thrown at runtime
double
Compilation Error
float

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Data Types and Variables
Size of int in Java is

32 bit
16 bit
Depends on execution environment
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 false
Prints true
Will not compile as boolean is not initialized
Will not compile as boolean can never be static

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

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

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