Where is the implements?[Solved]

Question

Which course teaches the "implements" keyword?

Answer 1

Java course/more on classes/Interfaces

Answer 2

What's up?

Answer 3

java

Answer 4

This course over all is a good one to take after the SoloLearn course. It fills in much more details. This is the implements lesson.
https://docs.oracle.com/javase/tutorial/java/IandI/usinginterface.html

Answer 5

sir can you help me?

Answer 6

i wnat to write a program in java
to canvert decimal number to hexadecimal