Testeksamne, og andre ting

Testeksamen/Example.java

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+public class Example {
+    public static void main(String[] args) {
+        boolean m[][] = { { true, false, true, true },
+                          { true, false, true, false },
+                          { true, false, true, true } };
+        System.out.println("++++++++++++");
+        Grid g = new Grid(m);
+        System.out.println(g);
+        System.out.println("++++++++++++");
+        g.update();
+        System.out.println(g);
+        System.out.println("++++++++++++");
+    }
+}
+
+public class Data {
+    private int major;
+    private int minor;
+    private boolean active;
+    public Data(int major, int minor, boolean active) {
+        this.major = Math.max(0, major);
+        this.minor = Math.max(0, minor);
+        this.active = active;
+    }
+
+    public int getMajor() {
+        return this.major;
+    }
+    public int getMinor() {
+        return this.minor;
+    }
+    public boolean getActive() {
+        return this.active;
+    }
+    public void parity() {
+        this.major = this.major % 2;
+        this.minor = this.minor % 2;
+    }
+    public String toString() {
+        return "" + this.major + (this.active ? "**" : "//") + this.minor;
+    }
+}
+
+public class Grid {
+    private Data[] a;
+    public Grid(boolean[][] m) {
+        this.a = new Data[m[0].length * m.length];
+        for (int i = 0; i < m.length; i++) {
+            for (int j = 0; j < m[i].length; j++) {
+                this.a[(m[0].length * i)+j] = new Data(i, j, m[i][j]);
+            }
+        }
+    }
+    public void update() {
+        for (int i = 0; i < this.a.length; i++) {
+            if (this.a[i].getActive()) {
+                this.a[i].parity();
+            }
+        }
+    }
+
+    public String toString() {
+        String return_string = "";
+        for (int i = 0; i < this.a.length; i++) {
+            return_string += this.a[i] + (i == this.a.length - 1 ? "" : "-");
+        }
+        return return_string;
+    }
+
+}