Given these class definitions, which of the following must occur within class S?public abstract class R{ private int a; protected double c; public abstract void doThis();}public class S extends R{}a.The doThis() method must be definedb.An accessor method must be created for instance variable ac.An accessor method must be created for instance variable c

Which statements are most accurate regarding the following classes? class A {   private int i;   protected int j; } class B extends A {   private int k;   protected int m;   // some methods omitted } Group of answer choicesIn the class B, an instance method can only access i, j, k, m.In the class B, an instance method can only access j, k, m.n the class B, an instance method can only access j, m.In the class B, an instance method can only access k, m.

Which of the following is false about protected class members?They begin with one underscoreThey can be accessed by subclassesThey can be accessed by name mangling methodThey can be accessed within a class

Which statements are most accurate regarding the following classes? class A {   private int i;   protected int j; } class B extends A {   private int k;   protected int m; } Group of answer choicesAn object of B contains data fields i, j, k, m.An object of B contains data fields j, k, m.An object of B contains data fields j, m.An object of B contains data fields k, m.

Which statements are true for both abstract classes and interfaces? (Choose all that apply  *4 pointsA. All methods within them are assumed to be abstract.B. Both can contain public static final variables.C. Both can be extended using the extend keyword.D. Both can contain default methods.E. Both can contain static methods.F. Neither can be instantiated directly.G. Both inherit java.lang.Object.

Observe the below code : abstract public class Account{       private int accountNumber;       private String holderName;       private double balance;                    public Account(int accountNumber, String holderName, double balance) {              this.accountNumber = accountNumber;              this.holderName = holderName;              this.balance = balance;       } }Identify the correct statements.Select one:a.Code compiles successfullyb.code will not compile, because abstract class cannot have a constructorc.code will not compile because the abstract class do not have abstract methods