Java Methods Flashcards
_________ in Java are like the basic units or building blocks of a Java program.
Methods
Methods in Java are like the ______ or building
blocks of a Java program.
basic units
Methods in Java are like the basic units or ________ of a Java program.
building
blocks
A _______ is a group of code that performs a
specific task or operation.
method
A method is a __________ that performs a
specific task or operation.
group of code
A method is a group of code that performs a
_________ or operation.
specific task
A method is a group of code that performs a
specific task or _________.
operation
a _______ is a collection of
statements that work together to complete
a particular job.
method
a method is a ________ that work together to complete
a particular job.
collection of
statements
a method is a collection of statements that ____ ________ to complete a particular job.
work together
a method is a collection of statements that work together to _______________.
complete a particular job
________ are used to carry out specific actions
and are sometimes called functions.
Methods
Methods are used to carry out specific actions
and are sometimes called _______.
functions
Methods are used to _____ _____ _______ ______
and are sometimes called functions.
carry out specific actions
In Java, a ________ runs only when it is called from
another _________.
method
The ________ is the starting point of a Java
program, and it is the first method executed by
the JVM (Java Virtual Machine).
main() method
The main() method is the ______ ________ _______ _______, and it is the first method executed by the JVM (Java Virtual Machine).
starting point of a Java
program
The main() method is the starting point of a Java program, and it is the _______ executed by
the JVM (Java Virtual Machine).
first method
The main() method is the starting point of a Java program, and it is the first method executed by the _____________________.
JVM (Java Virtual Machine)
The main() method is the starting point of a Java
program, and it is the first method executed by
the JVM (________________).
(Java Virtual Machine)
_______ in Java are reusable blocks of
code designed to perform specific tasks.
Methods
Methods in Java are _____ _____ ___ _____ designed to perform specific tasks.
reusable blocks of
code
Methods in Java are reusable blocks of
code designed to______ _____ ____.
perform specific tasks
They help _______, complex programs into smaller, easier-to-handle parts.
break large
They help break large, _____ ______ into smaller, easier-to-handle parts.
complex programs
They help break large, complex
programs into _________, easier-to-handle
parts.
smaller
They help break large, complex programs into smaller, __________ _____.
easier-to-handle parts
They keep your code _________ and_______.
organized
neat
They keep your _____ organized and neat.
code
You can ____ _____ ________ ______ in different parts
of your program.
reuse the same method
You can reuse the same method in different parts
of your __________.
program
They save ______ and help reduce mistakes in your
code.
time
They save time and _________ ___________ ______ in your
code.
help reduce mistakes
_______________: Determines who can use the class, method, or field (e.g., public, private).
accessSpecifier
_________: Specifies the type of value the method returns. If no value is returned, the keyword void is used.
returnType
_________: The name of the method, written in
camelCase (e.g., calculateSum).
methodName
________: Input values that the method can accept. A method can have zero or more parameters, each with a data type and name.
parameter
___________: The code inside curly braces {} that defines what the method does.
method body
_______________: If the method has a return type (not void), it must include a return statement followed by the value to be sent back.
return statementt
_________: Can only be accessed within the class where it is
defined.
Private
________: Can be accessed from any class.
Public
___________: Accessible within the same package or by subclasses in different packages.
Protected
_________: Automatically applied if no specifier is mentioned Accessible only within the same package
Default
The _________ __________ in Java includes the method name and its parameter list.
method signature
The method signature in Java includes the method _______ and its _______ ________.
name
parameter list
The parameter list consists of:
The number of parameters.
The type of parameters.
The order of parameters.
If there are multiple parameters, they are
separated by ___________.
commas
If there are ____ _______, they are
separated by commas.
multiple parameters
If there are no parameters, use an __________________
empty pair of
parentheses ()
_________ allow you to pass values to the method.
Parameters
___________ are declared inside the parentheses
after the method name.
Parameters
Parameters are declared inside the parentheses
after the __________.
method name
Parameters are declared inside the___________
after the method name.
parentheses
The scope of parameters is limited to the ____________.
method
body
Parameters are ________, and a method can have
zero parameters.
optional
Parameters are optional, and a method can have
___________.
zero parameters
The _________ is a block of code that contains: Statements to perform tasks. Local variables and local classes (if needed). A return statement (optional, depending on the method type).
method body
The method body is a __________ that
contains:
Statements to perform tasks.
Local variables and local classes (if
needed).
A return statement (optional, depending on
the method type).
block of code
The method body is a block of code that
contains:
1.________ to perform tasks.
2.________ and 3.___________ (if
needed).
4.________ (optional, depending on
the method type).
1.Statements
2.local variables
3.local classes
4.A return statement
If the ____________ is void, the method performs a task without returning any value.
return type
If the return type is ______, the method performs a task without returning any value.
void
If the _________ is a data type (e.g., int, float,
double), the method must return a value to
the caller.
return type
If the return type is a data type (e.g., int, float,
double), the method must return a value to
the______.
caller
If the return type is a __________ (e.g., int, float,
double), the method must return a value to
the caller.
data type
The method cannot end without executing a
____________.
return statement
The _______ cannot end without executing a
return statement.
method
___________ can do two main things:
Return a value: The method provides a piece of
data that can be used elsewhere in the program.
Print output: The method directly displays
information (e.g., on the screen).
Methods
Methods can do two main things:
____________: The method provides a piece of
data that can be used elsewhere in the program.
Print output: The method directly displays
information (e.g., on the screen).
Return a value
Methods can do two main things:
Return a value: The method provides a piece of
data that can be used elsewhere in the program.
_____________: The method directly displays
information (e.g., on the screen).
Print output
There are two basic types of methods
1.System-Defined Methods
2.User-Defined Methods
1.System-Defined Methods:
Also called built-in or library methods.
These are____________ available in __________________ (part of the JDK).
You can use them directly without writing the code yourself.
pre-written methods
Java’s standard libraries
1.System-Defined Methods:
Also called ________________.
These are pre-written methods available in Java’s standard libraries (part of the JDK).
You can use them directly without writing the code yourself.
built-in or library methods
User-Defined Methods:
These are methods created by _______ to perform specific tasks.
They are designed to meet the unique requirements of a program.
programmers
___________ - Used in method declarations to
show that the method does not return any value.
Void Keyword
_________- Used to exit a method and,
if needed, return a value to the caller. It is
used in methods that have a return type (not
void).
Return Keyword
When ______ is executed, the method stops
immediately, and control goes back to the
caller.
return
When return is executed, the method stops
immediately, and _______ goes back to the
_________.
control
caller
The ___________ must match the ______________ in the method definition.
order of arguments
order of parameters
The __________ must match the data type
of parameters.
data type of arguments
The data type of arguments must match the ____________.
data type
of parameters
Use ____ and _____________ for parameters to
improve code readability and maintainability.
clear
meaningful names
Use clear and meaningful names for parameters to
improve code ______ and __________.
readability
maintainability
The _________ identifies the correct method based on
the number, type, and order of parameters.
compiler
The compiler identifies the correct method based on
the ______,_______ and ____________.
number
type
order of parameters
______________
Allows you to define multiple methods in the
same class with the same name but different
parameter lists
Method Overloading
All ___________ must have the ______________.
overloaded methods
same name
Methods must differ in the __________, ____________, or _______________.
number
type
order of parameters
Overloaded methods can have the same or different
__________, but the return type alone cannot distinguish methods
return types
Purpose of Method Overloading
Improve Readability
Provide Flexibility
Avoid Repetition
