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Data Types and Variables

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

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

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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); }}

float
double
Exception is thrown at runtime
Compilation Error

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

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

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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);} }

None of these
50
10
Compilation Error

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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. }

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

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Data Types and Variables
What would be the output of the following fraction of code ?int Integer = 34 ;char String = 'S' ;System.out.print( Integer ) ;System.out.print( String ) ;

Throws exception.
34 S
S
Does not compile as Integer and String are API class names.
34

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