Size of float and double in Java is 32 and 64 64 and 64 64 and 32 32 and 32 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 - do is not valid identifier. 7 9 0 Compile error - $7 is not valid identifier. None of these 7 0 0 TRUE ANSWER : ? YOUR ANSWER : ?
What would be the output of the following fraction of code ?int Integer = 34 ;char String = 'S' ;System.out.print( Integer ) ;System.out.print( String ) ; 34 S Throws exception. S 34 Does not compile as Integer and String are API class names. TRUE ANSWER : ? YOUR ANSWER : ?
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 Compilation fails with an error at line 3 None of these 0 TRUE ANSWER : ? YOUR ANSWER : ?
Size of int in Java is 16 bit 32 bit 64 bit Depends on execution environment TRUE ANSWER : ? YOUR ANSWER : ?
What will be output of the following program code?public class Test{public static void main(String[] a){short x = 10;x = x*5;System.out.print(x);} } 50 10 Compilation Error None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following automatic type conversion will be possible? int to long byte to int short to int long to int TRUE ANSWER : ? YOUR ANSWER : ?
Automatic type conversion in Java takes place when 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. Two type are compatible and size of destination type is larger than source type. TRUE ANSWER : ? YOUR ANSWER : ?
What will the output of the following program?public class Test{ public static void main(String args[]){ float f = (1 / 4) * 10; int i = Math.round(f); System.out.println(i); }} 25 2 3 0 2.5 TRUE ANSWER : ? YOUR ANSWER : ?
Determine output:public class Test{ int a = 10; public void method(int a){ a += 1; System.out.println(++a); } public static void main(String args[]){ Test t = new Test(); t.method(3); }} 11 4 None of these 12 5 TRUE ANSWER : ? YOUR ANSWER : ?