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(); All of these None of these A a = new B(5); A a = new A(String s); A a = new B(); All of these None of these A a = new B(5); ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to A variable goes out of scope. An object or variable goes out of scope. Before garbage collection. An object, variable or method goes out of scope. None of these A variable goes out of scope. An object or variable goes out of scope. Before garbage collection. An object, variable or method goes out of scope. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What will be the return type of a method that not returns any value? void double int None of these void double int 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. 2 and 4 1 and 2 1 and 3 3 and 4 2 and 4 1 and 2 1 and 3 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class MyClass{ }For the above class(MyClass) what is the correct way of declaring constructor? public MyClass(){} public MyClass(void){} MyClass(void) {} MyClass(){} 1 and 3 public MyClass(){} public MyClass(void){} MyClass(void) {} MyClass(){} 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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