Which of the following automatic type conversion will be possible? short to int byte to int int to long long to int TRUE ANSWER : ? YOUR ANSWER : ?
What is the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte b = 6;4. b+=8;5. System.out.println(b);6. b = b+7;7. System.out.println(b);8. }9. } Compilation fails with an error at line 4 Compilation fails with an error at line 6 None of these 14 21 14 13 TRUE ANSWER : ? YOUR ANSWER : ?
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 7 9 0 Compile error - $7 is not valid identifier. Compile error - do is not valid identifier. TRUE ANSWER : ? YOUR ANSWER : ?
Size of float and double in Java is 32 and 32 64 and 32 64 and 64 32 and 64 TRUE ANSWER : ? YOUR ANSWER : ?
Java is a ........... language. None of these moderate typed weakly typed strongly typed TRUE ANSWER : ? YOUR ANSWER : ?
In Java, the word true is ................ Same as value 1 A Java keyword A Boolean literal Same as value 0 TRUE ANSWER : ? YOUR ANSWER : ?
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 true 0 0 0 0 Compile error - static variable must be initialized before use. TRUE ANSWER : ? YOUR ANSWER : ?
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); None of these Rraises an error as STATIC is used as a variable which is a keyword Prints 2.5 Raises an exception TRUE ANSWER : ? YOUR ANSWER : ?
In Java byte, short, int and long all of these are None of these unsigned signed Both of the above TRUE ANSWER : ? YOUR ANSWER : ?