Dú

Factorial.java

+package cz.fel.cvut.ts1;
+
+public class Factorial {
+    public long Factorial (int n){
+        int result=1,i=1;
+        while(i<=n){
+            result=result*i;
+            i++;
+        }
+
+        return result;
+    }
+
+}

Test.java

+package cz.fel.cvut.ts1;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class Proj1Test {
+    @Test
+    public void factorialTest() {
+        Proj1 proj = new Proj1();
+        long expResult = 6;
+        int num = 3;
+
+        long result = proj.factorial(num);
+        Assertions.assertEquals(expResult, result);
+    }
+}