Netbeans 9 editor, formatting Java: newline suddenly appeared before period

Question

In some of my code has suddenly changed format in that before every period and = sign a number of spaces followed by a newline character have appeared, as in the following snatch of code. This is only in a few of my java classes, and it has happened several times. Have I possibly inadvertently changed something in the formatting layout?

     int oldVel
            = jSliderVelocity
                    .getValue();

    // Get vel from txt field and set slider accordingly
    int vel
            = Integer
                    .parseInt(jTextFieldVelocity
                            .getText());

    int start
            = jSliderVelocity
                    .getMinimum();

Answer 1

This usually happens if you are having a syntax error in your code (e.g. missing braces) and format your code. Sadly there is no way that Netbeans corrects those linebreaks after fixing the syntax error. You have to do it manually.