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
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 7 9 0 Compile error - $7 is not valid identifier. Compile error - do is not valid identifier. None of these 7 0 0 7 9 0 Compile error - $7 is not valid identifier. Compile error - do is not valid identifier. None of these 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 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 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Determine output:class A{ public static void main(String args[]){ int x; x = 10; if(x == 10){ int y = 20; System.out.print("x and y: "+ x + " " + y); y = x*2; } y = 100; System.out.print("x and y: " + x + " " + y); }} Error 10 20 10 20 10 20 10 10 10 20 10 100 Error 10 20 10 20 10 20 10 10 10 20 10 100 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Size of int in Java is Depends on execution environment 16 bit 64 bit 32 bit Depends on execution environment 16 bit 64 bit 32 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 ) ; S Does not compile as Integer and String are API class names. 34 S 34 Throws exception. S Does not compile as Integer and String are API class names. 34 S 34 Throws exception. ANSWER DOWNLOAD EXAMIANS APP
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