JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these Test(void) public Test( ) Test( ) public Test(void) None of these Test(void) public Test( ) Test( ) public Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? A a = new A(String s); A a = new B(5); A a = new B(); None of these All of these A a = new A(String s); A a = new B(5); A a = new B(); None of these All of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } The sum of x and y is 9 The sum of x and y is 45 None of these does not compile The sum of x and y is 9 The sum of x and y is 45 None of these does not compile ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? static protected public private static protected public private ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is void There is no return type. None of these A class object in which it is defined. void There is no return type. None of these A class object in which it is defined. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} None of these 3 2 1 Compilation Error None of these 3 2 1 Compilation Error ANSWER DOWNLOAD EXAMIANS APP
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