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Data Types and Variables

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

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

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Data Types and Variables
In Java, the word true is ................

Same as value 0
A Boolean literal
A Java keyword
Same as value 1

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Data Types and Variables
What will be output of the following program code?public class Test{public static void main(String[] a){short x = 10;x = x*5;System.out.print(x);} }

Compilation Error
50
None of these
10

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Data Types and Variables
The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } }

Will not compile as boolean can never be static
Will not compile as boolean is not initialized
Prints true
Prints false

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Data Types and Variables
What will be the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte i = 128;4. System.out.println(i);5. }6. }

None of these
0
Compilation fails with an error at line 4
Compilation fails with an error at line 3
128

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

9
8
6
7

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