Question

Which of the following is an illegal method declaration? a. private static void CreateStatement(int acctNum, double balance $=0.0$ ) b. private static void CreateStatement(int acctNum $=0$, double balance) c. private static void CreateStatement(int acctNum $=0$, double balance $=0$ ) d. All of these are legal.

Name: Problem 16, Chapter 8: Microsoft Visual C# 2017: An Introduction to Object-Oriented Programming
Uploaded: 2022-02-07T18:04:01-08:00
Duration: 2 min 10 s
Channel: Manik Pulyani
Description: Which of the following is an illegal method declaration? a. private static void CreateStatement(int acctNum, double balance =0.0 ) b. private static void CreateStatement(int acctNum =0, double balance) c. private static void CreateStatement(int acctNum =0, double balance =0 ) d. All of these are legal.

    Which of the following is an illegal method declaration?
a. private static void CreateStatement(int acctNum, double balance $=0.0$ )
b. private static void CreateStatement(int acctNum $=0$, double balance)
c. private static void CreateStatement(int acctNum $=0$, double balance $=0$ )
d. All of these are legal.

Microsoft Visual C# 2017: An Introduction to Object-Oriented Programming

Joyce Farrell 7th Edition

Chapter 8, Problem 16

Instant Answer

Solved by Expert Manik Pulyani

02/07/2022

Step 1

In Java, method parameters can have default values, but this feature is not supported directly. Instead, we typically achieve similar functionality through method overloading. Show more…

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Which of the following is an illegal method declaration? a. private static void CreateStatement(int acctNum, double balance $=0.0$ ) b. private static void CreateStatement(int acctNum $=0$, double balance) c. private static void CreateStatement(int acctNum $=0$, double balance $=0$ ) d. All of these are legal.

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Key Concepts

Method Declaration Syntax

This concept refers to the rules and structure that govern how functions or methods are defined in a programming language. It includes the components of a method such as access modifiers, static or instance keywords, return types, the method name, and the parameter list. Adhering to the correct syntax is crucial because any deviation, such as including unsupported syntax like default parameter assignments when the language does not allow them, will result in a compilation error.

Default Parameter Values

This concept involves assigning default values to parameters within a method’s parameter list so that the caller can omit arguments for those parameters. However, not all programming languages support default parameter values directly in the method declaration. For example, in Java, default parameter values are not allowed and attempting to include them in the method declaration would be considered illegal syntax.

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