import java.util.Collection; | |
class A { | |
String join(Collection<String> strings) { | |
return StringUtil.join(strings, ","); | |
} | |
void method(Collection<String> param) { | |
new ActionListener() { | |
@Override | |
public void actionPerformed(ActionEvent e) { | |
String[] param = {""}; // hides the parameter | |
Collection<String> params = Arrays.asList(param); | |
join(<caret>) | |
} | |
}; | |
} | |
} |