If you pass an array as an argument to a method, can the method change the elements of the array (such that the changes persist even when the method ends)? O Yes, that's how it works by default Only if the elements of the array are object types O Only if you use & to pass the array's reference No, the argument will always be a copy of the original array

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Java

Title: Understanding Array References in Method Arguments

**Question:**

If you pass an array as an argument to a method, can the method change the elements of the array (such that the changes persist even when the method ends)?

**Options:**

- ○ Yes, that's how it works by default

- ● Only if the elements of the array are object types

- ○ Only if you use & to pass the array's reference

- ○ No, the argument will always be a copy of the original array

**Explanation:** 

The correct option selected is "Only if the elements of the array are object types." This means that when an array of objects is passed to a method, the method can modify the objects in the array, and these changes will persist after the method call is complete. For primitive types, however, a method call does not affect the original array elements.
Transcribed Image Text:Title: Understanding Array References in Method Arguments **Question:** If you pass an array as an argument to a method, can the method change the elements of the array (such that the changes persist even when the method ends)? **Options:** - ○ Yes, that's how it works by default - ● Only if the elements of the array are object types - ○ Only if you use & to pass the array's reference - ○ No, the argument will always be a copy of the original array **Explanation:** The correct option selected is "Only if the elements of the array are object types." This means that when an array of objects is passed to a method, the method can modify the objects in the array, and these changes will persist after the method call is complete. For primitive types, however, a method call does not affect the original array elements.
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