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Data Types and Variables

Data Types and Variables
Size of int in Java is

Depends on execution environment
32 bit
16 bit
64 bit

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

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

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Data Types and Variables
What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }}

Compilation Error
21
20
22
Throws Exception

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Data Types and Variables
What will be the output for the below code ?1. public class Test{2. int i=8;3. int j=9;4. public static void main(String[] args){5. add();6. }7. public static void add(){8. int k = i+j;9. System.out.println(k);10. }11. }

None of these
0
Compilation fails with an error at line 8
Compilation fails with an error at line 5
17

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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); }}

double
Exception is thrown at runtime
Compilation Error
float

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

9
6
7
8

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