Snippets tagged “stream”
5 snippets use this tag.
- Getting the filenames of all files in a folderJava
To get the filenames of all files in a folder in Java, you can use the File class and its list method.
- How do I join two lists in Java?Java
There are several ways to join two lists in Java. Here are a few options:
- How to get the first element of the List or Set?Java
To get the first element of a List or Set in Java, you can use the following methods:
- How to use a Java8 lambda to sort a stream in reverse order?Java
To use a Java 8 lambda to sort a stream in reverse order, you can use the sorted() method of the Stream interface and pass a lambda function that compares the elements in reverse order.
- Java List.contains(Object with field value equal to x)Java
To check if a Java List contains an object with a specific field value, you can use the List.stream().anyMatch() method along with a lambda expression to filter the elements in the list based on the field value.