Size of float and double in Java is 32 and 32 64 and 32 64 and 64 32 and 64 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 10 20 10 20 Error TRUE ANSWER : ? YOUR ANSWER : ?
Java is a ........... language. moderate typed weakly typed strongly typed 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 larger than 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 equal of source type. All of these TRUE ANSWER : ? YOUR ANSWER : ?
Determine output:public class Test{int i = 34;public static void main(String args[]){Test t1 = new Test();Test t2 = new Test();t1.i = 65;System.out.print(t1.i);System.out.print(t2.i);}} 34 65 65 65 34 34 65 34 TRUE ANSWER : ? YOUR ANSWER : ?
What is the output of the following program?public class Test{static int x = 10 ; public static void main(String[] a){ Test test = new Test( ) ; Test test1 = new Test( ) ; test.x += 1 ; System.out.println( test.x + test1.x ) ; }} 21 22 Compilation Error Throws Exception 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(); }} None of these 0 true 0 Compile error - static variable must be initialized before use. 0 false 0 0 0 0 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 : ?
Determine output:public class Test { static void test(float x){ System.out.print("float"); } static void test(double x){ System.out.print("double"); } public static void main(String[] args){ test(99.9); }} float Compilation Error Exception is thrown at runtime double TRUE ANSWER : ? YOUR ANSWER : ?
In Java, the word true is ................ A Java keyword Same as value 1 Same as value 0 A Boolean literal TRUE ANSWER : ? YOUR ANSWER : ?