done

src/Main.java

@@ -0,0 +1,59 @@
+import java.util.Arrays;
+public class Main {
+
+    public static void main(String[] args) {
+
+                //    Task 1
+                int[] numbers = new int[]{6, 2, 8, 9, 5, 1};
+                int smallestValue = numbers[0];
+                int biggestValue = numbers[0];
+
+                for(int i = 1; i < numbers.length; ++i) {
+                    if (numbers[i] > biggestValue) {
+                        biggestValue = numbers[i];
+                    } else if (numbers[i] < smallestValue) {
+                        smallestValue = numbers[i];
+                    }
+                }
+
+                int sum = biggestValue - smallestValue;
+                System.out.println("Difference between" +
+                        " the biggest and smallest number: " + sum);
+                int[] numbers1 = new int[]{6, 2, 8, 3, 5, 4};
+                Arrays.sort(numbers1);
+                int sum1 = numbers1[5] - numbers1[0];
+                System.out.println("Difference solution2: " + sum1);
+
+
+                //         Task 2
+
+                double[] values = {8.5, 1.5, 9.4, 24.5, 7.12};
+
+                System.out.println(values.length);
+                Arrays.sort(values);
+                System.out.println("The biggest number: "+values[4]+"\n"
+                        +"The second biggest number: "+values[3]);
+
+
+                //      Task 3
+
+                int x=6;
+                int y=15;
+                int b=(4*y/5-x);
+                int result=0;
+
+                result+=(int)Math.pow(x,2)+(int)Math.pow(b,2);
+                System.out.println("Expression result: "+ result);
+
+
+
+            }
+        }
+
+
+
+
+
+
+
+