The smallest integer type is ......... and its size is ......... bits. short, 16 short, 8 byte, 8 short, 16 TRUE ANSWER : ? YOUR ANSWER : ?
Size of float and double in Java is 64 and 32 32 and 32 32 and 64 64 and 64 TRUE ANSWER : ? YOUR ANSWER : ?
What will be the output for the below code ?1. public class Test{2. int i=8;3. int j=9;4. public static void main(String[] args){5. add();6. }7. public static void add(){8. int k = i+j;9. System.out.println(k);10. }11. } 17 Compilation fails with an error at line 8 Compilation fails with an error at line 5 None of these 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 10 10 20 10 100 Error 10 20 10 20 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 0 0 Compile error - static variable must be initialized before use. None of these 0 false 0 0 true 0 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 : ?
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); }} 5 12 None of these 11 4 TRUE ANSWER : ? YOUR ANSWER : ?
The following fraction of codedouble STATIC = 2.5 ;System.out.println( STATIC ); Rraises an error as STATIC is used as a variable which is a keyword Prints 2.5 Raises an exception None of these 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. All of these 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); }} 3 0 2 25 2.5 TRUE ANSWER : ? YOUR ANSWER : ?