reading in lines from a file java
private ArrayList<String> readFileLines(String filepath) throws FileNotFoundException, IOException{
File fp = new File(filepath);
FileReader fr = new FileReader(fp);
BufferedReader br = new BufferedReader(fr);
ArrayList<String> lines = new ArrayList<>();
String line;
while((line = br.readLine()) != null) { lines.add(line); }
fr.close();
return lines;
}java read lines from file
Scanner sc = null;
try {
File file = new File("myfile.txt"); // java.io.File
sc = new Scanner(file); // java.util.Scanner
String line;
while (sc.hasNextLine()) {
line = sc.nextLine();
// process the line
}
}
catch(FileNotFoundException e)
{
e.printStackTrace();
}
finally {
if (sc != null) sc.close();
}java read next line
Scanner scanner = new Scanner(new File("filename"));
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
// process the line
}Copyright © 2021 Codeinu
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