update: testing and result finding quest

tests/test1.java

@@ -0,0 +1,8 @@
+public class test1 {
+    public static void main(String[] args) {
+        int x = 5;           // Line 3
+        int y = x + 2;       // Line 4
+        int z = y * 3;       // Line 5
+        System.out.println(z); // Line 6
+    }
+}