Size of int in Java is 16 bit 32 bit Depends on execution environment 64 bit TRUE ANSWER : ? YOUR ANSWER : ?
In Java byte, short, int and long all of these are signed Both of the above None of these unsigned 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); }} 2 129 Compiler error -127 None of these TRUE ANSWER : ? YOUR ANSWER : ?
In Java, the word true is ................ Same as value 0 Same as value 1 A Java keyword A Boolean literal 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);} } None of these Compilation Error 10 50 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 false 0 0 true 0 0 0 0 TRUE ANSWER : ? YOUR ANSWER : ?
Determine output:class A{ public static void main(String args[]){ int x; x = 10; if(x == 10){ int y = 20; System.out.print("x and y: "+ x + " " + y); y = x*2; } y = 100; System.out.print("x and y: " + x + " " + y); }} 10 20 10 100 10 20 10 20 10 20 10 10 Error TRUE ANSWER : ? YOUR ANSWER : ?
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); None of these Prints 2.5 Raises an exception Rraises an error as STATIC is used as a variable which is a keyword TRUE ANSWER : ? YOUR ANSWER : ?
Automatic type conversion in Java takes place when Two type are compatible and size of destination type is equal of source type. 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 shorter than source type. TRUE ANSWER : ? YOUR ANSWER : ?