JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called objects reference variables None of these instance variables objects reference variables None of these instance variables 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 0 5 8 0 0 0 8 5 0 5 8 0 0 0 8 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++; }} 3 Compilation Error 1 None of these 2 3 Compilation Error 1 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these public Test(void) public Test( ) Test( ) Test(void) None of these public Test(void) public Test( ) Test( ) Test(void) 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 45 does not compile The sum of x and y is 9 None of these The sum of x and y is 45 does not compile The sum of x and y is 9 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? protected private static public protected private static public ANSWER DOWNLOAD EXAMIANS APP
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