When You Must Determine Whether a String Is Empty, It

question 16

True/False

When you must determine whether a String is empty, it is more efficient to compare its length to 0 than it is to use the equals () method.

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Definitions:

Range

The difference between the largest and smallest values in a set of data.

Variance

A measure of variability that describes the spread of a data set or distribution.

Standard Deviation

A measure of the dispersion or variability within a dataset, indicating how spread out the values are from the mean.

Coefficient Of Variation

A consistent way to quantify the variability of a probability or frequency distribution, represented as a proportion of the mean.