java.lang.NoClassDefFoundError: org/bytedeco/javacpp/Pointer

[shira Jacobs]

added in the gradle file the below dependency 

what else am I missing?

]],
[lib: "javacv", artifacts: [
[group: 'org.bytedeco', name: 'javacv-platform', version: '1.5.9']
]],
[lib: "opencv", artifacts: [
[group: 'org.bytedeco.javacpp-presets', name: 'opencv-platform', version: '3.4.1-1.4.1']
]],

[Samuel Audet]

If you're looking for a working example, please use this one:
https://github.com/bytedeco/gradle-javacpp/tree/master/samples/javacv-demo