how can you sort arrays of objects? course hero

by Donnell Kautzer Published 2 years ago Updated 1 year ago 7 min read

How many parameters does the sort method take?

Implement the Comparable interface in the class your objects are from and pass your array to the sort method which takes only one parameter.

Can you use a reference method in Java 8?

With Java 8, you can use a reference method.

Can you compare multiple fields?

Also, it's possible to compare on multiple fields using thenComparing methods.

Using Comparable to Sort Array of Objects in Java

A Comparable interface in Java is used to order user-defined objects. Here, the Student class implements Comparable so that we can use Arrays.sort () to sort an array of Student class objects.

Using Lambda to Sort Array of Objects in Java

Sorting an array of objects becomes easy with the Lambda functions in Java 8 without implementing the Comparable interface.