JFreeChart TimeSeriesCollection is a data structure used to hold time series data for visualization in charts. When attempting to populate this collection from a MySQL database, challenges may arise in accurately displaying the data. Here's a detailed explanation of how to overcome these challenges and generate a correct chart:
In the given code, the issue lies in the conversion from String to Date. The code uses SimpleDateFormat to convert the result from the SQL query to a Date object. However, precision may be lost during this conversion, leading to incorrect display of time values in the chart.
To resolve this issue, the following steps are recommended:
By implementing these changes, the TimeSeriesCollection will accurately display the datetime values without loss of precision, resulting in a correct visualization of the time series data.
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