PeterHarding: Created page with " Some examples from - http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file

 private String readFile( String file ) throws IO..."

2021-10-16T19:49:12Z

Created page with " Some examples from - http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file <pre> private String readFile( String file ) throws IO..."

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Some examples from - http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file

<pre>
private String readFile( String file ) throws IOException {
BufferedReader reader = new BufferedReader( new FileReader (file));
String line = null;
StringBuilder stringBuilder = new StringBuilder();
String ls = System.getProperty("line.separator");

while( ( line = reader.readLine() ) != null ) {
stringBuilder.append( line );
stringBuilder.append( ls );
}

return stringBuilder.toString();
}
</pre>

<pre>
static String readFile(String path, Charset encoding) throws IOException {
byte[] encoded = Files.readAllBytes(Paths.get(path));
return new String(encoded, encoding);
}
</pre>

<pre>
List<String> lines = Files.readAllLines(Paths.get(path), encoding);
</pre>

<pre>
String content = readFile("test.txt", StandardCharsets.UTF_8);
String content = readFile("test.txt", Charset.defaultCharset());
</pre>

[http://www.docjar.com/html/api/org/apache/commons/io/IOUtils.java.html IOUtils.java] under Apache Licence 2.0

<pre>
public static long copyLarge(InputStream input, OutputStream output) throws IOException {
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
long count = 0;
int n = 0;
while (-1 != (n = input.read(buffer))) {
output.write(buffer, 0, n);
count += n;
}
return count;
}
</pre>

<pre>
String text = new Scanner( new File("poem.txt"), "UTF-8" ).useDelimiter("\\A").next();
</pre>

<pre>
private String readFile(String pathname) throws IOException {

File file = new File(pathname);
StringBuilder fileContents = new StringBuilder((int)file.length());
Scanner scanner = new Scanner(file);
String lineSeparator = System.getProperty("line.separator");

try {
while(scanner.hasNextLine()) {
fileContents.append(scanner.nextLine() + lineSeparator);
}
return fileContents.toString();
} finally {
scanner.close();
}
}
</pre>

[[Category:Java]]
[[Category:Examples]]

Java File IO - Revision history

PeterHarding: Created page with " Some examples from - http://stackoverflow.com/questions/326390/how-to-create-a-java-string-from-the-contents-of-a-file
private String readFile( String file ) throws IO..."