![public class ReadFile {
public static void main(String[] args) {
//Creating the Scanner class reference.
Scanner scanner=null;
try {
//Creating Scanner object by passing the file Object as input
scanner = new Scanner(new File("D:in.txt"));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
//Creating the ArrayList Obkect
ArrayList integers = new ArrayList();
while (scanner.hasNext()) {
if (scanner.hasNextInt()) {
//Adding each element in the file to the ArrayList.
integers.add(scanner.nextInt());
}
}
//Create the Iterator Object.
Iterator i=integers.iterator();
//Iterator over the ArrayList
while(i.hasNext())
{
//Displaying the contents in the ArrayList.
System.out.println(i.next());
}
}
}
______________________________________________________________________
Output:](https://image.slidesharecdn.com/in-230409115527-a39b8781/85/in-txt-Suppose-if-we-store-the-text-file-in-DDrive-then-the-path-pdf-4-320.jpg)
![72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
___________________________________________________________________
ReadFile.java
import java.io.*;
import java.util.*;
public class ReadFile {
public static void main(String[] args) {](https://image.slidesharecdn.com/in-230409115527-a39b8781/85/in-txt-Suppose-if-we-store-the-text-file-in-DDrive-then-the-path-pdf-10-320.jpg)
in.txt ( Suppose if we store the text file in DDrive then the path .pdf
- 1. in.txt ( Suppose if we store the text file in D:Drive then the path of the file pointing to this file is D:in.txt ) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33
- 4. public class ReadFile { public static void main(String[] args) { //Creating the Scanner class reference. Scanner scanner=null; try { //Creating Scanner object by passing the file Object as input scanner = new Scanner(new File("D:in.txt")); } catch (FileNotFoundException e) { e.printStackTrace(); } //Creating the ArrayList Obkect ArrayList integers = new ArrayList(); while (scanner.hasNext()) { if (scanner.hasNextInt()) { //Adding each element in the file to the ArrayList. integers.add(scanner.nextInt()); } } //Create the Iterator Object. Iterator i=integers.iterator(); //Iterator over the ArrayList while(i.hasNext()) { //Displaying the contents in the ArrayList. System.out.println(i.next()); } } } ______________________________________________________________________ Output:
- 5. Enter File Name :D:in.txt 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
- 7. 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 _____________________________________________________________________ Solution in.txt ( Suppose if we store the text file in D:Drive then the path of the file pointing to this file is D:in.txt )
- 8. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
- 10. 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ___________________________________________________________________ ReadFile.java import java.io.*; import java.util.*; public class ReadFile { public static void main(String[] args) {
- 11. //Creating the Scanner class reference. Scanner scanner=null; try { //Creating Scanner object by passing the file Object as input scanner = new Scanner(new File("D:in.txt")); } catch (FileNotFoundException e) { e.printStackTrace(); } //Creating the ArrayList Obkect ArrayList integers = new ArrayList(); while (scanner.hasNext()) { if (scanner.hasNextInt()) { //Adding each element in the file to the ArrayList. integers.add(scanner.nextInt()); } } //Create the Iterator Object. Iterator i=integers.iterator(); //Iterator over the ArrayList while(i.hasNext()) { //Displaying the contents in the ArrayList. System.out.println(i.next()); } } } ______________________________________________________________________ Output: Enter File Name :D:in.txt 1 2