added demo classes

uebung03/src/polynomial/PolynomialDemo.java

@@ -1,5 +1,76 @@
 package polynomial;
 
 public class PolynomialDemo {
-    private Polynomial p1 = new Polynomial(new int[]{1,4});
+
+    public static void main(String[] args) {
+        //b
+        Polynomial p1 = new Polynomial(new int[]{1, 2, 3, 4});
+        Polynomial p2 = new Polynomial(new int[]{0, 0, 0});
+        Polynomial p3 = new Polynomial(new int[]{3});
+        //Polynomial p99 = new Polynomial(new int[]{});
+
+        //c
+        System.out.println();
+        System.out.println(p1.getDegree());
+        System.out.println(p2.getDegree());
+        System.out.println(p3.getDegree());
+
+        //f
+        System.out.println();
+        Polynomial p4 = new Polynomial();
+        System.out.println(p4.getDegree());
+
+        //g
+        System.out.println();
+        Polynomial p5 = Polynomial.constant(5);
+        System.out.println(p5.getDegree());
+
+        //h
+        System.out.println();
+        Polynomial p6 = new Polynomial(new int[]{0, -1, 2, +3, -2, 0, 1});
+        System.out.println(p1);
+        System.out.println(p2);
+        System.out.println(p3);
+        System.out.println(p4);
+        System.out.println(p5);
+        System.out.println(p6);
+
+        //i
+        System.out.println();
+        Polynomial p7 = p1.add(p6);
+        System.out.println(p7);
+
+        //j
+        System.out.println();
+        Polynomial p8 = p1.sub(p6);
+        Polynomial p9 = p6.sub(p6);
+        Polynomial p10 = p1.mult(p1);
+        Polynomial p11 = p1.mult(p6);
+        System.out.println(p8);
+        System.out.println(p9);
+        System.out.println(p10);
+        System.out.println(p11);
+
+        //k
+        System.out.println();
+        Polynomial p12 = p1.add(5);
+        Polynomial p13 = p6.sub(5);
+        Polynomial p14 = p1.mult(5);
+        System.out.println(p12);
+        System.out.println(p13);
+        System.out.println(p14);
+
+        //l
+        System.out.println();
+        Polynomial p15 = p1.exp(5);
+        System.out.println(p15);
+        System.out.println(p1.mult(p1).mult(p1).mult(p1).mult(p1));
+
+        //m
+        System.out.println();
+        System.out.println(p1.apply(0));
+        System.out.println(p1.apply(1));
+        System.out.println(p1.apply(2));
+        System.out.println(p6.apply(4));
+    }
 }