JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables instance variables objects None of these reference variables instance variables objects None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the result of compiling and running the given code?class A{ int b=10; private A(){ this.b=7; } int f(){ return b; }}class B extends A{ int b;}public class Test{ public static void main(String[] args){ A a = new B(); System.out.println(a.f()); }} Compilation Fails Prints 10 None of these Prints 7 Prints 0 Compilation Fails Prints 10 None of these Prints 7 Prints 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? int None of these void double int None of these void double 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? 5 8 5 0 0 0 0 8 5 8 5 0 0 0 0 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) Test( ) None of these public Test(void) Test(void) public Test( ) Test( ) None of these public Test(void) Test(void) 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); }} Won't compile because of line (1), constructor can't be private Won't compile because of line (5), constructor can't be static 50 10 50 Won't compile because of line (1), constructor can't be private Won't compile because of line (5), constructor can't be static 50 10 50 ANSWER DOWNLOAD EXAMIANS APP
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