public void setAppIds(java.util.Collection<String> appIds) {
        if (appIds == null) {
            this.appIds = null;
            return;
        }

        this.appIds = new com.amazonaws.internal.SdkInternalList<String>(appIds);
    }
<p>
An array of app IDs for the apps to be described. If you use this parameter, <code>DescribeApps</code> returns a
description of the specified apps. Otherwise, it returns a description of every app.
</p>

@param appIds
       An array of app IDs for the apps to be described. If you use this parameter, <code>DescribeApps</code>
       returns a description of the specified apps. Otherwise, it returns a description of every app.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/DescribeAppsRequest.java