How to understand entry in JAVA code?

Question

Java

Good!
A simple question, explain such an abbreviated notation

public void showResult(View v) {
        String result = "Товары в корзине:";
        for (Product p : boxAdapter.getBox()) {          //вот эта строка//
            if (p.box)
                result += "\n" + p.name;
        }
        Toast.makeText(this, result, Toast.LENGTH_LONG).show();
    }

Answer 1

Read about foreach and Iterator