100 Java Mistakes

🚀 com.example.mistakes.expression._06_ImplicitTypeConversion.Ex2

Question fetched from API endpoint api/expression/6/2

API Response

GET /api/expression/6/2

{
  "result": [
    {
      "message": "com.example.mistakes.expression._06_ImplicitTypeConversion.Ex2",
      "before": "    Integer before(int input) {\n      return input > 20 ? 2 : input > 10 ? 1 : null;\n      // return Integer.valueOf(input > 20 ? 2 : (input > 10 ?\n      // Integer.valueOf(1) : null).intValue());\n    }\n",
      "after": "    Integer after(int input) {\n      return input <= 10 ? null : input <= 20 ? 1 : 2;\n      // return input <= 10 ? null : Integer.valueOf(input <= 20 ? 1 : 2);\n    }\n",
      "chapter": 2,
      "id": "2_06_2",
      "className": "Ex2",
      "path": "file:///home/runner/work/100_java_mistakes/100_java_mistakes/back/src/main/java/com/example/mistakes/expression/_06_ImplicitTypeConversion.java"
    }
  ],
  "length": 1
}

before

Integer before(int input) {
  return input > 20 ? 2 : input > 10 ? 1 : null;
  // return Integer.valueOf(input > 20 ? 2 : (input > 10 ?
  // Integer.valueOf(1) : null).intValue());
}

after

Integer after(int input) {
  return input <= 10 ? null : input <= 20 ? 1 : 2;
  // return input <= 10 ? null : Integer.valueOf(input <= 20 ? 1 : 2);
}