A Programmer Tries to Create a Subclass of String Called

question 18

Short Answer

A programmer tries to create a subclass of String called MyString. When the programmer compiles her new class, the compiler produces the following message:

MyString.java:1: cannot inherit from final java.lang.String
public class MyString extends String {
^
1 error

Explain the cause of this error.

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Definitions:

Variable Manufacturing Overhead

Costs that fluctuate with the level of production output, such as utilities or materials that vary with production volumes.

Direct Labor-hours

The total amount of time spent by workers directly involved in the manufacturing of a product.

Variable Overhead Standards

The budgeted or standard costs associated with variable overheads, which are expected to change in proportion to different levels of production activity.

Direct Labor-hours

Represents the total hours of labor directly involved in manufacturing a product or delivering a service.