JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) Test( ) Test(void) None of these public Test(void) public Test( ) Test( ) Test(void) None of these public Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result? 0 8 0 0 5 0 5 8 0 8 0 0 5 0 5 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 4 3.0 4.0 3 4 3.0 4.0 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile { private Profile(int w) { // line 1 System.out.print(w); } public static Profile() { // line 5 System.out.print (10); } public static void main(String args[]) { Profile obj = new Profile(50); }} 10 50 Won't compile because of line (1), constructor can't be private 50 Won't compile because of line (5), constructor can't be static 10 50 Won't compile because of line (1), constructor can't be private 50 Won't compile because of line (5), constructor can't be static ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? void None of these double int void None of these double int ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } } 2.0 Compile time error None of these 0 2.0 Compile time error None of these 0 ANSWER DOWNLOAD EXAMIANS APP
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