package IO; import org.junit.Test; import java.io.File; import java.io.IOException; import java.util.Date; public class FileTest { @Test public void test(){ File file1 = new File("Hello.txt"); System.out.println(file1.getAbsoluteFile()); System.out.println(file1.getPath()); System.out.println(file1.getName()); System.out.println(file1.getParent()); System.out.println(file1.length()); System.out.println(new Date(file1.lastModified())); System.out.println(); System.out.println(file1.isDirectory()); System.out.println(file1.isFile()); System.out.println(file1.exists()); System.out.println(file1.canRead()); System.out.println(file1.canWrite()); System.out.println(file1.isHidden()); } @Test public void test1() throws IOException { File file2 = new File("hi.txt"); if(!(file2.exists())){ file2.createNewFile(); System.out.println("Create Successful"); }else { file2.delete(); System.out.println("Delete Successful"); } } }