Initial Commit

Java/Processing/processing-3.3.6/modes/java/examples/Basics/Data/CharactersStrings/CharactersStrings.pde

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+/**
+ * Characters Strings. 
+ *  
+ * The character datatype, abbreviated as char, stores letters and 
+ * symbols in the Unicode format, a coding system developed to support 
+ * a variety of world languages. Characters are distinguished from other
+ * symbols by putting them between single quotes ('P').<br />
+ * <br />
+ * A string is a sequence of characters. A string is noted by surrounding 
+ * a group of letters with double quotes ("Processing"). 
+ * Chars and strings are most often used with the keyboard methods, 
+ * to display text to the screen, and to load images or files.<br />
+ * <br />
+ * The String datatype must be capitalized because it is a complex datatype.
+ * A String is actually a class with its own methods, some of which are
+ * featured below. 
+ */
+
+char letter;
+String words = "Begin...";
+
+void setup() {
+  size(640, 360);
+  // Create the font
+  textFont(createFont("SourceCodePro-Regular.ttf", 36));
+}
+
+void draw() {
+  background(0); // Set background to black
+
+  // Draw the letter to the center of the screen
+  textSize(14);
+  text("Click on the program, then type to add to the String", 50, 50);
+  text("Current key: " + letter, 50, 70);
+  text("The String is " + words.length() +  " characters long", 50, 90);
+  
+  textSize(36);
+  text(words, 50, 120, 540, 300);
+}
+
+void keyTyped() {
+  // The variable "key" always contains the value 
+  // of the most recent key pressed.
+  if ((key >= 'A' && key <= 'z') || key == ' ') {
+    letter = key;
+    words = words + key;
+    // Write the letter to the console
+    println(key);
+  }
+}