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Data Types and Variables

Data Types and Variables
Which of the following automatic type conversion will be possible?

byte to int
int to long
short to int
long to int

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

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

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Data Types and Variables
What would be the output of the following fraction of code ?int Integer = 34 ;char String = 'S' ;System.out.print( Integer ) ;System.out.print( String ) ;

Throws exception.
Does not compile as Integer and String are API class names.
34 S
34
S

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Data Types and Variables
Size of int in Java is

32 bit
64 bit
Depends on execution environment
16 bit

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Data Types and Variables
What will be the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte i = 128;4. System.out.println(i);5. }6. }

128
Compilation fails with an error at line 3
None of these
Compilation fails with an error at line 4
0

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Data Types and Variables
Determine output:class A{ public static void main(String args[]){ int x; x = 10; if(x == 10){ int y = 20; System.out.print("x and y: "+ x + " " + y); y = x*2; } y = 100; System.out.print("x and y: " + x + " " + y); }}

Error
10 20 10 100
10 20 10 10
10 20 10 20

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