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my code is.. :
CategoricalAxis horizontalAxis = new CategoricalAxis();
horizontalAxis.setVerticalLocation(AxisVerticalLocation.BOTTOM);
lineSeries_Temperature.setHorizontalAxis(horizontalAxis);
CategoricalAxis horizontalAxis_top = new CategoricalAxis();
horizontalAxis_top.setVerticalLocation(AxisVerticalLocation.TOP);
LinearAxis verticalAxis = new LinearAxis();
verticalAxis.setMaximum(maxTemperature);
verticalAxis.setMinimum(minTemperature);
chartView_line.setVerticalAxis(verticalAxis);
// Grid
CartesianChartGrid grid = new CartesianChartGrid();
grid.setMajorYLinesRenderMode(GridLineRenderMode.ALL);
grid.setMajorXLinesRenderMode(GridLineRenderMode.ALL);
grid.setMajorLinesVisibility(GridLineVisibility.XY);
grid.setStripLinesVisibility(GridLineVisibility.XY);
chartView_line.setGrid(grid);