Data Types and Variables The following program:public class Test{ static boolean isOK; public static void main(String args[]){ System.out.print(isOK); } } Will not compile as boolean is not initialized Prints false Will not compile as boolean can never be static Prints true Will not compile as boolean is not initialized Prints false Will not compile as boolean can never be static Prints true 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 22 20 Throws Exception 21 Compilation Error 22 20 Throws Exception 21 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables The smallest integer type is ......... and its size is ......... bits. byte, 8 short, 16 short, 16 short, 8 byte, 8 short, 16 short, 16 short, 8 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 - do is not valid identifier. Compile error - $7 is not valid identifier. 7 9 0 7 0 0 None of these Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. 7 9 0 7 0 0 None of these 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 Java is a ........... language. strongly typed None of these weakly typed moderate typed strongly typed None of these weakly typed moderate typed ANSWER DOWNLOAD EXAMIANS APP
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