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Learn Java with Projects
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Working with arrays is very common. Usually, for very common things, Java has built-in functionality. We can do many common things we’d like to do with arrays with the use of the methods on the built-in Arrays
class.
The built-in Arrays
class is a helper class in the java.util
package. It offers many utility methods to help us efficiently work with arrays. We’ll explore some common array manipulation tasks using the Arrays
class.
A highly useful operation you may want to perform on an array is to convert it into a String
, which can be invaluable for debugging and logging purposes. To achieve this, the Arrays
class offers a dedicated method called toString()
. It’s important to note that this method is static, allowing us to call it directly on the Arrays
class.
import java.util.Arrays;public class ArrayHelperMethods { ...