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beginner

What are method parameters in Java?

Method parameters are variables listed in a method's definition. They act as inputs that the method uses to perform tasks.

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beginner

How do you define a method with parameters in Java?

You include the parameter type and name inside the parentheses after the method name. For example: void greet(String name) means the method takes one parameter called name of type String.

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Can a method have more than one parameter? How?

Yes. Separate each parameter with a comma. For example: void add(int a, int b) takes two integer parameters named a and b.

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What is the difference between parameters and arguments?

Parameters are the variables in the method definition. Arguments are the actual values you pass to the method when calling it.

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What happens if you call a method with the wrong number or type of arguments?

Java will show a compile-time error because the method call does not match the method's parameter list.

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Which of these is a correct method parameter list in Java?

Aint x; String y

Bint x String y

Cint x, String y

Dint x & String y

What is the term for the actual values passed to a method when calling it?

AArguments

BParameters

CVariables

DConstants

What will happen if you call a method with fewer arguments than parameters?

AJava shows a compile-time error

BJava throws a runtime error

CThe method uses default values

DThe method ignores missing parameters

How do you declare a method that takes no parameters?

Avoid method[]

Bvoid method()

Cvoid method(void)

Dvoid method(null)

Which of these is NOT a valid parameter type in Java?

Aint

BString

Cfloat

Dmethod

Explain what method parameters are and how they are used in Java.

Describe the difference between parameters and arguments with an example.