Chapter 13: Problem 46

Write a statement that defines an array of five objects of the Circle class in question

Short Answer

Expert verified

**Answer:** To create an array named "circles" that holds five Circle objects in Java, first declare the array using `Circle[] circles;`, then initialize it with a size of five using `circles = new Circle[5];`. Finally, use a for loop to instantiate each object in the array: ```java Circle[] circles = new Circle[5]; for (int i = 0; i < circles.length; i++) { circles[i] = new Circle(); } ```

Step by step solution

Declare the array

To declare an array, specify the type of the elements the array can hold (in this case, Circle), followed by square brackets ([]), and finally, the name of the array. Let's create an array named "circles" that will hold five Circle objects: ```java Circle[] circles; ```

Set the size of the array and instantiate the elements

Arrays in Java have a fixed size, which is specified when initializing the array. We will initialize our array with a size of five. Then, we need to instantiate each object in the array: ```java circles = new Circle[5]; for (int i = 0; i < circles.length; i++) { circles[i] = new Circle(); } ``` The "new Circle[5]" expression initializes an array with a size of five elements. The following loop iterates through the array and creates a new Circle object for each element.

Final Solution

Combining all the steps, our final solution is the following statement that defines an array of five Circle objects: ```java Circle[] circles = new Circle[5]; for (int i = 0; i < circles.length; i++) { circles[i] = new Circle(); } ```

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Write a statement that defines an array of five objects of the Circle class in question

Short Answer

Step by step solution

Declare the array

Set the size of the array and instantiate the elements

Final Solution

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