Java Basics Five: Scanner class read Files __java

Source: Internet
Author: User
Tags stringbuffer

Java.util.Scanner is a new feature of JAVA5, and the main function is to simplify text scanning.

Small example:

Resume a TXT file: test.txt

Code:

Import Java.io.File;
Import java.io.FileNotFoundException;
Import Java.util.Scanner;

public class Readtxtfile {public
	
	static void Main (string[] args) {
		file File = new File ("Src/test.txt");
		String encoding = "Utf-8";
		if (File.isfile () && file.exists ()) {   
			try {
				Scanner Scanner = new Scanner (file, encoding);
				StringBuffer sb = new StringBuffer ();
				while (Scanner.hasnextline ()) { 
					sb.append (Scanner.nextline ()). ToString ();
					System.out.println (Sb.tostring ());
				}
			catch (FileNotFoundException e) {
				e.printstacktrace ();}}}


Run program test.txt content ' AAAAAAAAA ' has been printed to the console.

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