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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
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); }}

float
Exception is thrown at runtime
double
Compilation Error

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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 for the below code ?1. public class Test{2. public static void main(String[] args){3. int i = 010;4. int j = 07;5. System.out.println(i);6. System.out.println(j);7. }8. }

Compilation fails with an error at line 3
8 7
None of these
Compilation fails with an error at line 5
10 7

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

Both of the above
None of these
unsigned
signed

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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 10
10 20 10 100
10 20 10 20

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