Create your first ZK Charts

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In the section we will show how to create your first ZK Chart step by step.

First, declare a chart component in zul file, and assign to ```type``` and ```title``` properties to it.

    <charts id="chart" type="line" title="Season Average Temperature" />

Then give some additional settings in composer:

    // Add "°C" to value in tooltip
    chart.getTooltip().setValueSuffix("°C");

    Legend legend = chart.getLegend();
    // Set lengend's layout and alignment
    legend.setLayout("vertical");
    legend.setAlign("right");
    legend.setVerticalAlign("middle");
    // Set lenged's border width to 0
    legend.setBorderWidth(0);

There has many ways to And we can specify chart data with model:

    CategoryModel model = new SimpleCategoryModel();

    model.setValue("Tokyo", "Spring", new Integer(11));
    model.setValue("Tokyo", "Summer", new Integer(20));
    model.setValue("Tokyo", "Fall", new Integer(16));
    model.setValue("Tokyo", "Winter", new Integer(9));
    model.setValue("New York", "Spring", new Integer(6));
    model.setValue("New York", "Summer", new Integer(14));
    model.setValue("New York", "Fall", new Integer(8));
    model.setValue("New York", "Winter", new Integer(2));

    chart.setModel(model);

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