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Data Types and Variables

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

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

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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); }}

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

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

signed
Both of the above
None of these
unsigned

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

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

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

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Data Types and Variables
Size of int in Java is

Depends on execution environment
32 bit
64 bit
16 bit

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