Which statement is true about a Java method?

a$.$ It must be declared with an access modifier

b$.$ It cannot be defined within another method

c$.$ It must accept a parameter and return a value

d$.$ It cannot be defined as static final

What is the purpose of the keyword "final" in Java?

a$.$ To declare a variable that cannot be reassigned.

b$.$ To declare a method that cannot be overridden.

c$.$ To declare a class that cannot be extended.

d$.$ To declare a method that cannot be overloaded.

Suppose we have a class named "Person". The "Person" class has a private instance

variable "name" with its getter "getName" and setter "setName" method, and a public

instance variable named "age". What would be the right way to display the name

variable instance in main function if we assume that a "person" instance exists?

a$.$ System.out.printIn$("$Name: $"+$ person.getName$)$;

b$.$ System.out.printIn$("$Name: $"+$ person.getName$())$;

c$.$ System.out.printIn$("$Name: $"+$

person.name$)$;

d$.$ System.out.printIn$("$Name: $"+$

person.name$())$;

Identify two valid data types for the operands of the addition $(+)$ operator?

a$.$ string

b$.$ int

c$.$ array

d$.$ boolean

d$.$ boolean