List<String> one = new ArrayList<String>(); one.add("abc"); List<String> two = new ArrayList<>(); two.add("abc"); if (one == two) System.out.println("A"); else if (one.equals(two)) System.out.println("B"); else System.out.println("C");
❌ A. A ✅ B. B ❌ C. C ❌ D. An exception is thrown. ❌ E. The code does not compile.
Explanation: The first if statement is false because the variables do not point to the same object. The second if statement is true because ArrayList implements equality to mean the same elements in the same order.
List<String> one = new ArrayList<String>(); one.add("abc"); List<String> two = new ArrayList<>(); two.add("abc"); if (one == two) System.out.println("A"); else if (one.equals(two)) System.out.println("B"); else System.out.println("C");
❌ A. A ✅ B. B ❌ C. C ❌ D. An exception is thrown. ❌ E. The code does not compile.
Explanation: The first if statement is false because the variables do not point to the same object. The second if statement is true because ArrayList implements equality to mean the same elements in the same order.
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