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You create an Employee object with a String employeeName field. What is the default value for employeeName?  "Name"  "default"  null   A space

Question

You create an Employee object with a String employeeName field. What is the default value for employeeName?

  • "Name"
  • "default"
  • null
  • A space
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Solution

Break Down the Problem

  1. Determine the type of the field employeeName in the context of an Employee object.
  2. Investigate the default initialization for that field type in Java (or the relevant programming language).

Relevant Concepts

  • In Java, object fields that are of type String (and not explicitly initialized) default to null.

Analysis and Detail

  1. When an object of class Employee is created, if employeeName is not initialized, it will take on the default value of null unless specified otherwise through a constructor or explicit assignment.
  2. Types can only have certain default values when not explicitly assigned. For objects, including String, the default is null.

Verify and Summarize

  • Since the employeeName is defined as a String and not initialized, the default value will indeed be null.

Final Answer

The default value for the employeeName field is null.

This problem has been solved

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