JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables reference variables None of these objects instance variables reference variables None of these objects 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 The sum of x and y is 9 None of these does not compile The sum of x and y is 45 The sum of x and y is 9 None of these does not compile 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 None of these 2 1 3 Compilation Error None of these 2 1 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(); A a = new B(5); None of these All of these A a = new A(String s); A a = new B(); A a = new B(5); None of these All of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? private protected static public private protected static public ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }} 10.0 1.0 0.0 0.5 10.0 1.0 0.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
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