task 9

README.md

@@ -1,5 +1,5 @@
 # PPJ
 
-This branch contains the solution for the **nth task**.
+This branch contains the solution for the **9th task**.
 
 [Go back to main](/femsci/ppj/src/branch/nya)

hai/hello/Car.java

@@ -0,0 +1,68 @@
+/*
+ * TASK 9
+ * archived at https://git.femboy.science/femsci/ppj/src/branch/task/9
+ * by femsci
+ */
+
+package hai.hello;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+// meow~
+public class Car {
+    int fuel = 35, odometer = 0;
+
+    public void printFuelLevel() {
+        System.out.printf("after filling: %dL >.<\n", this.fuel);
+    }
+
+    public void printStats() {
+        System.out.printf("%dkm driven, %dl left\n", this.odometer, this.fuel);
+    }
+
+    public void fill() // >.<
+    {
+        ThreadLocalRandom r = ThreadLocalRandom.current();
+        if (r.nextInt(100) < 10) {
+            throw new ExplosionException(this);
+        }
+
+        this.fuel += r.nextInt(15, 36);
+        printFuelLevel();
+    }
+
+    // linear funky wunky?
+    // public void drive(int distance) throws NotEnoughGasException {
+    // }
+
+    public void drive100km() throws NotEnoughGasException {
+        if (this.fuel < 10) {
+            throw new NotEnoughGasException(this);
+        }
+
+        this.fuel -= 10;
+        this.odometer += 100;
+
+        printStats();
+    }
+
+    /*
+     * ⠀⢸⠂⠀⠀⠀⠘⣧⠀⠀⣟⠛⠲⢤⡀⠀⠀⣰⠏⠀⠀⠀⠀⠀⢹⡀
+     * ⠀⡿⠀⠀⠀⠀⠀⠈⢷⡀⢻⡀⠀⠀⠙⢦⣰⠏⠀⠀⠀⠀⠀⠀⢸⠀
+     * ⠀⡇⠀⠀⠀⠀⠀⠀⢀⣻⠞⠛⠀⠀⠀⠀⠻⠀⠀⠀⠀⠀⠀⠀⢸⠀
+     * ⠀⡇⠀⠀⠀⠀⠀⠀⠛⠓⠒⠓⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀
+     * ⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠀
+     * ⠀⢿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣀⣀⠀⠀⢀⡟⠀
+     * ⠀⠘⣇⠀⠘⣿⠋⢹⠛⣿⡇⠀⠀⠀⠀⣿⣿⡇⠀⢳⠉⠀⣠⡾⠁⠀
+     * ⣦⣤⣽⣆⢀⡇⠀⢸⡇⣾⡇⠀⠀⠀⠀⣿⣿⡷⠀⢸⡇⠐⠛⠛⣿⠀
+     * ⠹⣦⠀⠀⠸⡇⠀⠸⣿⡿⠁⢀⡀⠀⠀⠿⠿⠃⠀⢸⠇⠀⢀⡾⠁⠀
+     * ⠀⠈⡿⢠⢶⣡⡄⠀⠀⠀⠀⠉⠁⠀⠀⠀⠀⠀⣴⣧⠆⠀⢻⡄⠀⠀
+     * ⠀⢸⠃⠀⠘⠉⠀⠀⠀⠠⣄⡴⠲⠶⠴⠃⠀⠀⠀⠉⡀⠀⠀⢻⡄⠀
+     * ⠀⠘⠒⠒⠻⢦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⠞⠛⠒⠛⠋⠁⠀
+     * ⠀⠀⠀⠀⠀⠀⠸⣟⠓⠒⠂⠀⠀⠀⠀⠀⠈⢷⡀⠀⠀⠀⠀⠀⠀⠀
+     * ⠀⠀⠀⠀⠀⠀⠀⠙⣦⠀⠀⠀⠀⠀⠀⠀⠀⠈⢷⠀⠀⠀⠀⠀⠀⠀
+     * ⠀⠀⠀⠀⠀⠀⠀⣼⣃⡀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣆⠀⠀⠀⠀⠀⠀
+     * ⠀⠀⠀⠀⠀⠀⠀⠉⣹⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⠀⠀⠀⠀⠀⠀
+     * ⠀⠀⠀⠀⠀⠀⠀⠀⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡆⠀⠀⠀⠀⠀
+     */
+}

hai/hello/ExplosionException.java

@@ -0,0 +1,21 @@
+/*
+ * TASK 9
+ * archived at https://git.femboy.science/femsci/ppj/src/branch/task/9
+ * by femsci
+ */
+
+package hai.hello;
+
+// pentaerythritol tetranitrate was detected in during subsequent spectrometric analysis
+public class ExplosionException extends RuntimeException {
+    public ExplosionException(Car c) {
+        car = c;
+    }
+
+    private final Car car;
+
+    @Override
+    public String getMessage() {
+        return String.format("hai hello your car (%s) exploded >:3c", System.identityHashCode(car));
+    }
+}

hai/hello/Kotauki.java

@@ -0,0 +1,23 @@
+/*
+ * TASK 9
+ * archived at https://git.femboy.science/femsci/ppj/src/branch/task/9
+ * by femsci
+ */
+
+package hai.hello;
+
+// meow meow~
+public class Kotauki {
+    public static void main(String[] args) {
+        Car kitten = new Car(); // kitty car :3
+
+        while (true) {
+            try {
+                kitten.drive100km();
+            } catch (NotEnoughGasException ex) {
+                System.err.println(ex.getMessage());
+                kitten.fill();
+            }
+        }
+    }
+}

hai/hello/NotEnoughGasException.java

@@ -0,0 +1,20 @@
+/*
+ * TASK 9
+ * archived at https://git.femboy.science/femsci/ppj/src/branch/task/9
+ * by femsci
+ */
+
+package hai.hello;
+
+public class NotEnoughGasException extends Exception {
+    public NotEnoughGasException(Car c) {
+        car = c;
+    }
+
+    private final Car car;
+
+    @Override
+    public String getMessage() {
+        return String.format("not enough gas: %dl left", car.fuel);
+    }
+}