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 float Compilation Error double Exception is thrown at runtime float Compilation Error double 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); } } 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 Prints true Will not compile as boolean is not initialized ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables Which of the following automatic type conversion will be possible? int to long short to int byte to int long to int int to long short to int byte to int long to int 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
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.$7); System.out.println(test.do); System.out.println(test._$); }} None of these 7 0 0 Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. 7 9 0 None of these 7 0 0 Compile error - do is not valid identifier. Compile error - $7 is not valid identifier. 7 9 0 ANSWER DOWNLOAD EXAMIANS APP
Data Types and Variables What is the output for the below code ?class A{ int k; boolean istrue; static int p; public void printValue(){ System.out.print(k); System.out.print(istrue); System.out.print(p); }}public class Test{ public static void main(String argv[]){ A a = new A(); a.printValue(); }} 0 false 0 None of these 0 0 0 0 true 0 Compile error - static variable must be initialized before use. 0 false 0 None of these 0 0 0 0 true 0 Compile error - static variable must be initialized before use. ANSWER DOWNLOAD EXAMIANS APP
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