Example usage for java.util.stream Collectors joining

Introduction

In this page you can find the example usage for java.util.stream Collectors joining.

Prototype

public static Collector<CharSequence, ?, String> joining(CharSequence delimiter)

Source Link

Document

Returns a Collector that concatenates the input elements, separated by the specified delimiter, in encounter order.

Usage

From source file:com.zestedesavoir.zestwriter.utils.Configuration.java

/**
 * Add new content config files/*from  w  ww  .jav a 2 s .c o m*/
 * @param projectFileName file path of content you want to add
 */
public void addActionProject(String projectFileName) {
    List<String> existing = getActions();
    List<String> recent = new ArrayList<>(existing);
    if (recent.contains(projectFileName)) {
        recent.remove(projectFileName);
    }
    recent.add(0, projectFileName);

    actions.put(ActionData.LAST_PROJECTS.getKey(),
            recent.stream().limit(5).map(Object::toString).collect(Collectors.joining(",")));
    saveActionFile();
}