update,

_resources/it114105/itp3914/Lab06/Ex5.java

@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class Ex5 {
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        int a;
+        int x = 0;
+
+        System.out.print("a: ");
+        a = scan.nextInt();
+
+        switch (a) {
+            case 1:
+                x += 3;
+                break;
+            case 2:
+                x += 3;
+                break;
+            case 3:
+                x += 5;
+                break;
+            default:
+                x += 7;
+                break;
+        }
+
+        System.out.println("x = " + x);
+
+    }
+}