JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables objects None of these reference variables instance variables objects None of these reference variables 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()); }} Prints 10 Compilation Fails Prints 0 Prints 7 None of these Prints 10 Compilation Fails Prints 0 Prints 7 None 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 public class Test { }What is the prototype of the default constructor? Test( ) public Test(void) Test(void) public Test( ) None of these Test( ) public Test(void) Test(void) public Test( ) None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following statements regarding static methods are correct?1. Static methods are difficult to maintain, because you can not change their implementation.2. Static methods can be called using an object reference to an object of the class in which this method is defined.3. Static methods are always public, because they are defined at class-level.4. Static methods do not have direct access to non-static methods which are defined inside the same class. 3 and 4 1 and 3 2 and 4 1 and 2 3 and 4 1 and 3 2 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} long Compilation clean but throws RuntimeException None of these Compilation fails int long Compilation clean but throws RuntimeException None of these Compilation fails int ANSWER DOWNLOAD EXAMIANS APP
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