Data Types and Variables In Java byte, short, int and long all of these are Both of the above unsigned None of these signed Both of the above unsigned None of these signed ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }} Compilation Error 20 Throws Exception 21 22 Compilation Error 20 Throws Exception 21 22 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 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 The smallest integer type is ......... and its size is ......... bits. short, 16 short, 16 byte, 8 short, 8 short, 16 short, 16 byte, 8 short, 8 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); }} float Exception is thrown at runtime double Compilation Error float Exception is thrown at runtime double Compilation Error 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 9 0 Compile error - do is not valid identifier. None of these Compile error - $7 is not valid identifier. 7 0 0 7 9 0 Compile error - do is not valid identifier. None of these Compile error - $7 is not valid identifier. 7 0 0 ANSWER DOWNLOAD EXAMIANS APP
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