Data Types and Variables Size of int in Java is 16 bit 32 bit Depends on execution environment 64 bit 16 bit 32 bit Depends on execution environment 64 bit 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 S 34 S Does not compile as Integer and String are API class names. Throws exception. 34 S 34 S Does not compile as Integer and String are API class names. Throws exception. 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.$7); System.out.println(test.do); System.out.println(test._$); }} Compile error - $7 is not valid identifier. None of these 7 9 0 Compile error - do is not valid identifier. 7 0 0 Compile error - $7 is not valid identifier. None of these 7 9 0 Compile error - do is not valid identifier. 7 0 0 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); Prints 2.5 Raises an exception None of these Rraises an error as STATIC is used as a variable which is a keyword Prints 2.5 Raises an exception None of these Rraises an error as STATIC is used as a variable which is a keyword ANSWER DOWNLOAD EXAMIANS APP
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); }} 129 None of these 2 Compiler error -127 129 None of these 2 Compiler error -127 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } } Prints false Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints true Prints false Will not compile as boolean is not initialized Will not compile as boolean can never be static Prints true ANSWER DOWNLOAD EXAMIANS APP
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