import com.google.common.io.CharSource;
import com.google.common.io.CharSink;
import com.google.common.io.Files;
import java.io.File;
import java.io.IOException;
public class FileExample {
public static void main(String[] args) {
File sourceFile = new File("source.txt");
File targetFile = new File("target.txt");
try {
CharSource charSource = Files.asCharSource(sourceFile, Charsets.UTF_8);
String fileContent = charSource.read();
CharSink charSink = Files.asCharSink(targetFile, Charsets.UTF_8);
charSink.write(fileContent);
} catch (IOException e) {
e.printStackTrace();
}
}
}
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>30.0-jre</version>
</dependency>
