<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>30.1-jre</version>
</dependency>
import com.google.common.io.Files;
import java.io.File;
import java.io.IOException;
public class FileExample {
public static void main(String[] args) throws IOException {
File file = new File("example.txt");
String content = Files.asCharSource(file, Charsets.UTF_8).read();
System.out.println(content);
}
}
import com.google.common.io.ByteStreams;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class StreamExample {
public static void main(String[] args) throws IOException {
FileInputStream inputStream = new FileInputStream("input.txt");
FileOutputStream outputStream = new FileOutputStream("output.txt");
ByteStreams.copy(inputStream, outputStream);
inputStream.close();
outputStream.close();
}
}
