java/examples/Topics/File IO/LoadFile2/LoadFile2.pde

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+/**
+ * LoadFile 2
+ * 
+ * This example loads a data file about cars. Each element is separated
+ * with a tab and corresponds to a different aspect of each car. The file stores 
+ * the miles per gallon, cylinders, displacement, etc., for more than 400 different
+ * makes and models. Press a mouse button to advance to the next group of entries.
+ */
+
+Record[] records;
+String[] lines;
+int recordCount;
+PFont body;
+int num = 9; // Display this many entries on each screen.
+int startingEntry = 0;  // Display from this entry number
+
+void setup() 
+{
+  size(200, 200);
+  fill(255);
+  noLoop();
+  
+  body = loadFont("TheSans-Plain-12.vlw");
+  textFont(body);
+  
+  lines = loadStrings("cars2.tsv");
+  records = new Record[lines.length];
+  for (int i = 0; i < lines.length; i++) {
+    String[] pieces = split(lines[i], '\t'); // Load data into arrayif (pieces.length == 9) {
+    records[recordCount] = new Record(pieces);
+    recordCount++;
+  }
+}
+
+void draw() {
+  background(0);
+  for (int i = 0; i < num; i++) {
+    int thisEntry = startingEntry + i;
+    text(thisEntry + " > " + records[thisEntry].name, 20, 20 + i*20); // Print name to console
+  }
+}
+
+void mousePressed() {
+  startingEntry += num; 
+  if (startingEntry + num > records.length) {
+    startingEntry -= num;
+  } 
+  redraw();
+}
+
+class Record {
+  String name;
+  float mpg;
+  int cylinders;
+  float displacement;
+  float horsepower;
+  float weight;
+  float acceleration;
+  int year;
+  float origin;
+  public Record(String[] pieces) {
+    name = pieces[0];
+    mpg = float(pieces[1]);
+    cylinders = int(pieces[2]);
+    displacement = float(pieces[3]);
+    horsepower = float(pieces[4]);
+    weight = float(pieces[5]);
+    acceleration = float(pieces[6]);
+    year = int(pieces[7]);
+    origin = float(pieces[8]);
+  }
+}