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Data Types and Variables

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

9
8
7
6

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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 ) ; }}

22
Compilation Error
20
Throws Exception
21

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Data Types and Variables
What will be output of following program?public class Test{ public static void main(String[] args){ byte b=127; b++; b++; System.out.println(b); }}

2
None of these
-127
129
Compiler error

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

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

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Data Types and Variables
Java is a ........... language.

moderate typed
None of these
strongly typed
weakly typed

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

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

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