import java.io.File;
public class Main {
public static void main(String[] args) throws Exception {
File file1 = null;
File file2 = null;
file1 = File.createTempFile("JavaTemp", null);
file2 = File.createTempFile("JavaTemp", ".java");
System.out.println(file1.getPath());
System.out.println(file2.getPath());
}
}