問題一覧
1
is used in the creation of an object that is an
instance of a class using the new keyword.
constructor
2
If you do not include any constructors in a class, Java provides a _________, a constructor with an empty parameter list and body.
default constructor
3
A default constructor is also known as _____?
no-argument constructor
4
Only occurs when constructors have different type parameters.
constructor overloading
5
When a constructor calls another constructor with a greater number of parameters, it is called ______?
constructor chaining
6
describes the ability of an object to hide its data and methods.
Encapsulation
7
It is a getter method is a public method that
returns data from a private instance variable.
accessor
8
A setter method is a public method that changes
the data stored in one or more private instance variables.
mutator
9
A class is considered ______ if it remains unchanged after
an object of another class is constructed.
immutable
10
allows a class to acquire all the attributes (fields) and behaviors (methods) of another class.
Inheritance
11
A class that is derived from another class is called a _______
subclass
12
The class from which the subclass is derived is called a _______. It is also known as base class or parent class.
superclass
13
You can define a new version of an existing method in a child class that makes use of the definition in the parent class. This
ability is called _______?
method overriding
問題一覧
1
is used in the creation of an object that is an
instance of a class using the new keyword.
constructor
2
If you do not include any constructors in a class, Java provides a _________, a constructor with an empty parameter list and body.
default constructor
3
A default constructor is also known as _____?
no-argument constructor
4
Only occurs when constructors have different type parameters.
constructor overloading
5
When a constructor calls another constructor with a greater number of parameters, it is called ______?
constructor chaining
6
describes the ability of an object to hide its data and methods.
Encapsulation
7
It is a getter method is a public method that
returns data from a private instance variable.
accessor
8
A setter method is a public method that changes
the data stored in one or more private instance variables.
mutator
9
A class is considered ______ if it remains unchanged after
an object of another class is constructed.
immutable
10
allows a class to acquire all the attributes (fields) and behaviors (methods) of another class.
Inheritance
11
A class that is derived from another class is called a _______
subclass
12
The class from which the subclass is derived is called a _______. It is also known as base class or parent class.
superclass
13
You can define a new version of an existing method in a child class that makes use of the definition in the parent class. This
ability is called _______?
method overriding