midterm 2 theory review.txt

Methods reside ____________ of your main method.

In order to exedute the code in a method, you have to ___________________ the method by name and ___________________.

If the method _____________________, you can save it in a variable to use later, print it to the screen, or use it as a value in an expression.

If the method doesn't return a value, then the return type of the method is ___________.

Required parts of a method:_________________, __________________, _____________________, ______________________.

Optional parts of a method: _____________, ______________________.

You can have two or more methods with the same name in a class (overloading), if the methods' input parameters differ by ________, _________, and/or _________.

You __________ overload based on return type.

Parameter names and variables declared in the method are _____________ to the method.

Primitive values passed to methods are pass-by-value --- i.e., the original value of the variable is ______________.

Arrays are a collection of variables of _______________ type(s).

Arrays _________ contain class types.

The size of an array is _____________ (the single instance variable of the array - length - is _____________).

You can access elements in an array using its __________________ and ______________.

The first index in an array is _________, while the last is the __________________________.

Arrays passed to methods are pass-by-sharing -- changes __________ be made to the array in the method.

Arrays _______ be method parameters and be returned by methods.

Arrays can be searched for a ___________________.

___________________ search traverses the array in order and compares each element to what you are searching for.

A search is more efficient if the array is _________________.

A two-dimensional array created in the following way int a = new int[4][3] has ___ rows and ___ columns. In this declaration, a is a ________ dimensional array, a[2] is a ______ dimensional array, and a[2][0] is __________. The length of a is _______, while a[1].length = _______.

Traversing a two-dimensional array is easily performed with _____________________.

A ragged (jagged) array is an array with rows of different ________________.

Multi-dimensional arrays ______ be method parameters and be returned by methods.

Strings can be turned into a char[] with the help of the __________________ method.

Strings mimic a character array and accessing a character at position i in a string happens with a call to the ____________ method.

The ___________ method is used when you want to divide a delimited String into a String[].

You can match a character, a sequence of characters of use __________________ to match any character in a selection of characters.

Images can be read into a two-dimensional array with the help of the ________________________ class.

In order to add an image into a JavaFX application window, you have to add the image to a __________, which is put into a __________, which resides in a ___________.

Each _____________ should be in a .java file by itself.

The name of the class is the name of the __________.

A(n) __________ is a(n) ______________ of a class.

A class defines the ___________ and behavior of objects.

Objects of a class are variables of that ____________.

Classes have ______________, they only specify the structure of objects of that type.

The access modifier __________ means that the thus declared variable/object/method/class can be accessed by name directly from any other class.

Instance variables should be ____________ to protect them from unauthorized or accidental changes.

Getter and setter methods are ____________.

Objects are created with __________.

When objects are created, the ____________ of the class is called, which sets the values of the ______________________.

Each object _______________ set of instance variables and methods as defined by the parent class.

Constructors ________________ a return type and a return statement.

Constructors have _____________ name ______________ the class.

If you want to change the state of an object you ___________ call the constructor; you must call _______________.

You ____________ create your own constructors.

Constructors ______________ call other constructors.

The Java reserved word ____________ points to the object receiving the method call.

The main method is ______________.

____________ variables and methods belong to the ____________ and there _________________ copy(s) of them.

Static variables and methods are accessed with the ______________ name.

A static method can access the instance variables of an object only if the object is _______________________________.

The state of an object passed to a method _____________ be changed, but the object __________________ be replaced with another object.

Wrapper classes are used to convert ______________ type values to "equivalent" _____________ type values.