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 Will not compile as boolean can never be static Prints false Prints true Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints false ANSWER DOWNLOAD EXAMIANS APP
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); }} Exception is thrown at runtime double Compilation Error float Exception is thrown at runtime double Compilation Error float ANSWER DOWNLOAD EXAMIANS APP
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 ) ; 34 34 S Throws exception. S Does not compile as Integer and String are API class names. 34 34 S Throws exception. S Does not compile as Integer and String are API class names. ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte b = 6;4. b+=8;5. System.out.println(b);6. b = b+7;7. System.out.println(b);8. }9. } None of these 14 21 Compilation fails with an error at line 6 Compilation fails with an error at line 4 14 13 None of these 14 21 Compilation fails with an error at line 6 Compilation fails with an error at line 4 14 13 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code?public class Test{ int _$; int $7; int do; public static void main(String argv[]){ Test test = new Test(); test.$7=7; test.do=9; System.out.println(test.$7); System.out.println(test.do); System.out.println(test._$); }} 7 0 0 Compile error - do is not valid identifier. 7 9 0 Compile error - $7 is not valid identifier. None of these 7 0 0 Compile error - do is not valid identifier. 7 9 0 Compile error - $7 is not valid identifier. None of these ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The smallest integer type is ......... and its size is ......... bits. byte, 8 short, 8 short, 16 short, 16 byte, 8 short, 8 short, 16 short, 16 ANSWER DOWNLOAD EXAMIANS APP
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