June 2018 Update

Task/Video-display-modes/Kotlin/video-display-modes.kotlin

@@ -0,0 +1,25 @@
+// version 1.1.51
+
+import java.util.Scanner
+
+fun runSystemCommand(command: String) {
+    val proc = Runtime.getRuntime().exec(command)
+    Scanner(proc.inputStream).use {
+        while (it.hasNextLine()) println(it.nextLine())
+    }
+    proc.waitFor()
+    println()
+}
+
+fun main(args: Array<String>) {
+    // query supported display modes
+    runSystemCommand("xrandr -q")
+    Thread.sleep(3000)
+
+    // change display mode to 1024x768 say (no text output)
+    runSystemCommand("xrandr -s 1024x768")
+    Thread.sleep(3000)
+
+    // change it back again to 1366x768 (or whatever is optimal for your system)
+    runSystemCommand("xrandr -s 1366x768")
+}