import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
public class MainClass {
public static void main(String[] args) {
try {
File tempFile = File.createTempFile("myfile", ".tmp");
FileOutputStream fout = new FileOutputStream(tempFile);
PrintStream out = new PrintStream(fout);
out.println("some text");
} catch (IOException ex) {
System.out.println("There was a problem creating/writing to the temp file");
ex.printStackTrace();
}
}
}