Consider the Following Declarations: Public Interface Measurer

question 21

Multiple Choice

Consider the following declarations: public interface Measurer
{
Int measure(Object anObject) ;
}
Public class StringLengthMeasurer implements Measurer
{
Public int measure(_________________)
{
String str = (String) anObject;
Return str.length() ;
}
}
What parameter declaration can be used to complete the callback measure method?

• A) Object anObject
• B) String anObject
• C) Object aString
• D) String aString

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Definitions:

Degrees of Freedom

Degrees of Freedom are a statistical measure indicating the number of independent values or quantities that can vary in the analysis without breaking any constraints.

Area

A measure of the extent of a two-dimensional surface or shape, expressed in square units.

Student T Distribution

A probability distribution that is used in hypothesis testing for small sample sizes or when the population standard deviation is unknown.

Expected Value

A statistical concept representing the average outcome one would expect to see from a probability distribution over many trials.