Chapter 8: Problem 19

How do you copy the contents of one array to another array?

Short Answer

Expert verified

Answer: To copy the contents of one array to another, follow these steps: 1. Define the initial "source" array. 2. Create a new "destination" array of the same size as the source array. 3. Iterate through the elements of the source array using a loop. 4. Copy elements from the source array to the destination array by setting `destinationArray[i]` equal to `sourceArray[i]` in each iteration. 5. Optionally, print out the elements of the destination array to verify that the contents have been successfully copied.

Step by step solution

Define the initial array

Begin by defining the initial or "source" array that needs to be copied. Let's call this array `sourceArray`.

Create a new array of the same size

To copy the contents of the source array to a new array, first create a new array with the same size as the source array. Let's call this new array `destinationArray`.

Iterate through the elements of the source array

Using a loop (such as a for loop), iterate through each element of the source array. The loop counter can be referred to as `i`, where `i` is an integer that ranges from 0 to the size of the array minus 1.

Copy elements

For each iteration, copy the element at index `i` from the source array to the destination array. In other words, set `destinationArray[i]` equal to `sourceArray[i]`.

Print out the destination array (Optional)

To ensure that the contents have been successfully copied, print out the elements of the destination array using another loop. Here's an example of how this process might look like in code (assuming the arrays are of type `int`): ```java int[] sourceArray = {1, 2, 3, 4, 5}; int[] destinationArray = new int[sourceArray.length]; for (int i = 0; i < sourceArray.length; i++) { destinationArray[i] = sourceArray[i]; } // Optional: Print the destination array for (int i = 0; i < destinationArray.length; i++) { System.out.print(destinationArray[i] + " "); } ```

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How do you copy the contents of one array to another array?

Short Answer

Step by step solution

Define the initial array

Create a new array of the same size

Iterate through the elements of the source array

Copy elements

Print out the destination array (Optional)

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