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;
} BufferedReader br = null;
try {
File file = new File("myfile.txt"); // java.io.File
FileReader fr = new FileReader(file); // java.io.FileReader
br = new BufferedReader(fr); // java.io.BufferedReader
String line;
while ((line = br.readLine()) != null) {
// process the line
}
}
catch(IOException e) { e.printStackTrace();}
finally
{
try { if (br != null) br.close(); }
catch(IOException e) { e.printStackTrace(); }
} 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 program to demonstrate working of Scanner in Java
import java.util.Scanner;
class GetInputFromUser {
public static void main(String args[])
{
// Using Scanner for Getting Input from User
Scanner in = new Scanner(System.in);
String s = in.nextLine();
System.out.println("You entered string " + s);
int a = in.nextInt();
System.out.println("You entered integer " + a);
float b = in.nextFloat();
System.out.println("You entered float " + b);
}
}