high school programming question

questions.json

{
  "java": {
    "1": {
      "title": "Basic I/O - Console",
      "questions": [
        {
          "type": "mc",
          "question": "Which of the following is the correct package import statement so that the following line <br />\n<pre>\nScanner scanner = new Scanner(System.in);\n</pre>\ncan compile without error?",
          "options": [
            "import java/util/Scanner",
            "import java.util;",
            "import java.util.Scanner;",
            "import util/Scanner",
            "import java.io.Scanner;",
            "import java/io/Scanner",
            "import java.io.scanner"
          ],
          "answer": 2
        },
        {
          "type": "fill",
          "question": "given <pre>\nimport java.util.Scanner; // Import the Scanner class to read text files\n\npublic class ReadFile {\n  public static void main(String[] args) {\n    Scanner scanner = new Scanner(System.in);\n    String line;\n    do{\n      line = scanner.nextLine();\n      ___________________;\n    } while(!line.isEmpty());\n    scanner.close();\n  }\n}</pre>\nwhat should be filled in '______________' to print whole user input line-by-line?",
          "answer": "System.out.println(line);"
        },
        {
          "type": "mcma",
          "question": "Which of the following declaration(s) of object <code>readFromConsole</code> that allows you to read from <code>System.in</code>? (given with the correct package import)",
          "options": [
            "BufferedReader readFromConsole = new BufferedReader(new InputStreamReader(System.in));",
            "Scanner readFromConsole = Scanner.readFrom(System.in);",
            "readFromConsole = BuffereReader(System.in);",
            "BufferedReader readFromConsole = new BufferedReader(new Scanner.readFrom(java.io.System.in));",
            "Scanner readFromConsole = new Scanner(System.in);",
            "readFromConsole = Scanner(System.in)"
          ],
          "answer": [
            0,
            4
          ]
        },
        {
          "type": "mc",
          "question": "what is the expected output after running the main function?<br />\n<pre>public class Main\n{\n  public static void main(String args[]){\n    int a = 5;\n    System.out.print(a);\n    a += 2;\n    System.out.print(a);\n    a += 3;\n  }\n}</pre>",
          "options": [
            "<pre>5\n7</pre>",
            "<pre>10</pre>",
            "<pre>7\n10</pre>",
            "<pre>57</pre>",
            "compile error"
          ],
          "answer": 3
        },
        {
          "type": "mc",
          "question": "what is the expected output of the following program?<br />\n<pre>public class Main\n{\n  public static void main(String args[]){\n    int arr[] = { 1, 2, 3 };\n    for(int i = 0; i < arr.length; ++i){\n      System.out.print(arr[i]);\n    }\n  }\n}</pre>",
          "options": [
            "<pre>1\n2\n3</pre>",
            "<pre>123</pre>",
            "<pre>321</pre>",
            "<pre>1 2 3</pre>",
            "compile error"
          ],
          "answer": 0
        }
      ]
    },
    "2": {
      "title": "Basic I/O - File",
      "questions": [
        {
          "type": "mc",
          "question": "Which of the following is the correct import statement for class <code>File</code>?",
          "options": [
            "import java/util/File",
            "import java.util;",
            "import java.util.File;",
            "import util/File",
            "import java.io.File;",
            "import java/io/File",
            "import java.util.file"
          ],
          "answer": 4
        },
        {
          "type": "fill",
          "question": "given <pre>import java.io.File;  // Import the File class\nimport java.io.FileNotFoundException;  // Import this class to handle errors\nimport java.util.Scanner; // Import the Scanner class to read text files\n\npublic class ReadFile {\n  public static void main(String[] args) {\n    try {\n      File myObj = new File(\"data.txt\");\n      Scanner myReader = new Scanner(myObj);\n      while (myReader.hasNextLine()) {\n        String data = myReader.nextLine();\n        ___________________;\n      }\n      myReader.close();\n    } catch (FileNotFoundException e) {\n      System.out.println(\"An error occurred.\");\n      e.printStackTrace();\n    }\n  }\n}</pre>\nwhat should be filled in '______________' to print the whole file in console line-by-line?",
          "answer": "System.out.println(data);"
        }
      ]
    }
  },
  "cpp": {},
  "python": {}
}