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Data Types and Variables

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

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

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

strongly typed
moderate typed
weakly typed
None of these

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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. }

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

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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 will the output of the following program?public class Test{ public static void main(String args[]){ float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); }}

0
25
2.5
2
3

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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); } }

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

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