What will be the output for the below code ?1. public class Test{2. public static void main(String[] args){3. byte i = 128;4. System.out.println(i);5. }6. } 128 Compilation fails with an error at line 4 None of these Compilation fails with an error at line 3 0 TRUE ANSWER : ? YOUR ANSWER : ?
Automatic type conversion in Java takes place when Two type are compatible and size of destination type is larger than source type. All of these Two type are compatible and size of destination type is equal of source type. Two type are compatible and size of destination type is shorter than source type. 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(); }} Compile error - static variable must be initialized before use. None of these 0 true 0 0 0 0 0 false 0 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following automatic type conversion will be possible? byte to int long to int int to long short to int 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.$7); System.out.println(test.do); System.out.println(test._$); }} Compile error - $7 is not valid identifier. None of these 7 9 0 7 0 0 Compile error - do is not valid identifier. TRUE ANSWER : ? YOUR ANSWER : ?
What will be output of following program?public class Test{ public static void main(String[] args){ byte b=127; b++; b++; System.out.println(b); }} 129 None of these Compiler error -127 2 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 6 14 21 14 13 Compilation fails with an error at line 4 None of these TRUE ANSWER : ? YOUR ANSWER : ?
In Java byte, short, int and long all of these are signed unsigned None of these Both of the above TRUE ANSWER : ? YOUR ANSWER : ?
Size of float and double in Java is 32 and 32 32 and 64 64 and 64 64 and 32 TRUE ANSWER : ? YOUR ANSWER : ?
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); None of these Raises an exception Rraises an error as STATIC is used as a variable which is a keyword Prints 2.5 TRUE ANSWER : ? YOUR ANSWER : ?