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Data Types and Variables

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

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

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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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Data Types and Variables
Determine output:public class Test{int i = 34;public static void main(String args[]){Test t1 = new Test();Test t2 = new Test();t1.i = 65;System.out.print(t1.i);System.out.print(t2.i);}}

65 65
34 34
34 65
65 34

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Data Types and Variables
Size of int in Java is

Depends on execution environment
16 bit
64 bit
32 bit

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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 ) ;

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

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

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