I'm doing an income applet and savings I want to make income and savings represented in the form of bars that would be 3 and can be sorted by week month and year and compare how much income and how much saving each one with their respective colors blue income red spending and purple saving I already have the database I was working and I store it where I ask the user date with the dialogpicker I was looking for books like hellochart and barchart but they are more statisticians .... Thanks