Match #1:
/freecol-git/src/net/sf/freecol/client/gui/option/FreeColActionUI.java: line 111-115
/java/2755752-2755788-1: line 3-6
//Draw on the BufferedImage by calling BufferedImage.createGraphics to obtain a Graphics2D object, then perform some drawing.
<        BufferedImage bi = new BufferedImage(9, 9, BufferedImage.TYPE_INT_ARGB);
<        Graphics2D g = bi.createGraphics();
<        /*g.fillRect(0, 0, 9, 9);*/
<        g.setColor(Color.BLACK);
<        g.drawLine(1, 0, 8, 7);
---
>BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_INT_ARGB);
>
>Graphics2D g = img.createGraphics();
>g.drawLine(0, 0, 10, 10);  // draw a line.

Match #2:
/freecol-git/src/net/sf/freecol/common/util/Xml.java: line 153-156
/java/10497946-10498256-1: line 3-6
//If the floating point values are stored as text within the String you can simply convert them number by number.
<        float[] output = new float[array.length];
<        for (int i = 0; i < array.length ; i++) {
<            output[i] = Float.parseFloat(array[i]);
<        }
---
>float[] floatValues = new float[floats.length]
>for (int i=0; i< floats.length; i++) {
>  floatValues[i] = Float.parseFloat(floats[i]);
>}