How many methods are there in functional interface in Java 8?a)Any numberb)1c)2d)3

Select the correct answerWhich of the following is true about interfaces in java.1) An interface can contain following type of members.....public, static, final fields (i.e., constants)....default and static methods with bodies2) An instance of interface can be created.3) A class can implement multiple interfaces.4) Many classes can implement the same interface.Options1, 3 and 42, 3 and 41, 2, 3 and 41, 2 and 4

Select the correct answerAll methods and variables in Java language are kept inside a__________OptionsClass or InterfaceFilestatic methodmain

Which three are valid method signatures in an interface?1 private int getArea();2 public float getVol(float x);3 public void main(String [] args);4 public static void main(String [] args);5 boolean setFlag(Boolean [] test);Choose the best optionClear Response1 and 22,3 and 53, 4, 52 and 4

Q1 [50 points] – Basic Java Programming & Arrays (both Single & Multi-dimensional)(a) Explain the following terms related to Java methods with the aid of suitable examples.i) Method Signature (2 Marks)ii) Method Overloading (4 Marks)iii) Call by value and Call by reference (4 Marks)

Which of the following statements about interfaces in Java is correct? Select one: The methods specified in the interface have a body enclosed by curly brackets. They are defined with the keyword "interface." The syntax is similar to that of a class, with the difference that no methods are abstract. They are defined with the keyword "abstract."