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Given the code below add a readlist method to it (you can just write the new met

ID: 3571973 • Letter: G

Question

Given the code below add a readlist method to it (you can just write the new method in the answer without copying the full class). This method should read int values from a file, print each value, and append them to the end of the ArrayList. You should catch all appropriate errors. import java.io.*; import java.util.List; import java.util.ArrayList; public class ListOfNumbers {private List list; private static final int SIZE = 100; public ListOfNumbers () {list = new ArrayList(SIZE); for (int i: list) list.add(new Integer(i));} public void writeLis() {PrintWriter out = null; try {System.out.println("Entering try statement"); out = new PrintWriter(new FileWriter C"OutFile")); for (int i = 0; i

Explanation / Answer

Explanation :-

1)Create a file with name "inFile.txt" in you project folder

2) Add Integers to it , One Integer in one line

3) call the method from you Programme "readList"

Programme :-

------------------------------

public void readList(){
       try {
           Scanner scanner = new Scanner(new File("inFile.txt"));
           while(scanner.hasNextInt())
           {
                list.add(new Integer(scanner.nextInt())) ;
           }
       } catch (FileNotFoundException e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }
   }

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