June 2018 Update

Task/Plot-coordinate-pairs/Kotlin/plot-coordinate-pairs.kotlin

@@ -0,0 +1,39 @@
+// Version 1.2.31
+
+import org.jfree.chart.ChartFactory
+import org.jfree.chart.ChartPanel
+import org.jfree.data.xy.XYSeries
+import org.jfree.data.xy.XYSeriesCollection
+import org.jfree.chart.plot.PlotOrientation
+import javax.swing.JFrame
+import javax.swing.SwingUtilities
+import java.awt.BorderLayout
+
+fun main(args: Array<String>) {
+    val x = intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)
+    val y = doubleArrayOf(
+        2.7, 2.8, 31.4, 38.1, 58.0, 76.2, 100.5, 130.0, 149.3, 180.0
+    )
+    val series = XYSeries("plots")
+    (0 until x.size).forEach { series.add(x[it], y[it]) }
+    val labels = arrayOf("Plot Demo", "X", "Y")
+    val data = XYSeriesCollection(series)
+    val options = booleanArrayOf(false, true, false)
+    val orient = PlotOrientation.VERTICAL
+    val chart = ChartFactory.createXYLineChart(
+        labels[0], labels[1], labels[2], data, orient, options[0], options[1], options[2]
+    )
+    val chartPanel = ChartPanel(chart)
+    SwingUtilities.invokeLater {
+        val f = JFrame()
+        with(f) {
+            defaultCloseOperation = JFrame.EXIT_ON_CLOSE
+            add(chartPanel, BorderLayout.CENTER)
+            title = "Plot coordinate pairs"
+            isResizable = false
+            pack()
+            setLocationRelativeTo(null)
+            isVisible = true
+        }
+    }
+}