Initial data commit

Task/Vector/Java/vector.java

@@ -0,0 +1,41 @@
+import java.util.Locale;
+
+public class Test {
+
+    public static void main(String[] args) {
+        System.out.println(new Vec2(5, 7).add(new Vec2(2, 3)));
+        System.out.println(new Vec2(5, 7).sub(new Vec2(2, 3)));
+        System.out.println(new Vec2(5, 7).mult(11));
+        System.out.println(new Vec2(5, 7).div(2));
+    }
+}
+
+class Vec2 {
+    final double x, y;
+
+    Vec2(double x, double y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    Vec2 add(Vec2 v) {
+        return new Vec2(x + v.x, y + v.y);
+    }
+
+    Vec2 sub(Vec2 v) {
+        return new Vec2(x - v.x, y - v.y);
+    }
+
+    Vec2 div(double val) {
+        return new Vec2(x / val, y / val);
+    }
+
+    Vec2 mult(double val) {
+        return new Vec2(x * val, y * val);
+    }
+
+    @Override
+    public String toString() {
+        return String.format(Locale.US, "[%s, %s]", x, y);
+    }
+}