Given double[][] x = new double[4][5], what are x.length and x[2].length? Group of answer choices4 and 44 and 55 and 45 and 5

Question

Given double[][] x = new double[4][5], what are x.length and x[2].length? Group of answer choices4 and 44 and 55 and 45 and 5
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Solution 1

The answer is 4 and 5.

Here's why:

In Java, when you declare a 2D array like double[][] x = new double[4][5], the first number in the brackets (4) is the number of rows and the second number (5) is the number of columns.

So, x.length will give you the number of rows, which is 4.

x[2].length wil Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob

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