added lab7 ex1

src/lab7_state/ex1/MachineState.java

@@ -0,0 +1,21 @@
+package lab7_state.ex1;
+
+public abstract class MachineState {
+    protected Machine machine;
+
+    public MachineState(Machine machine) {
+        this.machine = machine;
+    }
+
+    protected void powerUp() {}
+    protected void insertCoin(double value) {}
+    protected void returnCoin() {}
+    protected void reset() {}
+    protected void pushButton() {}
+    protected void removeCup() {}
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName();
+    }
+}