How do you detect a keylogger?

Keylogger (also called keystroke logger) is a program on your computer or mobile that logs the keystrokes you type.There are two types: hardware keyloggers and software keyloggers. When we talk about...

Detct means being spotted.

Yes.

No it's not. As long as you get it from a trusted source, (SwiftKit.net) it's clean.

Yes, it is possible to write a keylogger in Java, but you would need to use the Java Native Interface to do so.