New File Methods

java.java

//Demo.java
public static String newFileMethods() {
        String home = System.getProperty("user.home");
        Path filePath = Paths.get(home, "test.txt");
        try {
            Files.writeString(filePath, "Hello World !!");
            return Files.readString(filePath);
        } catch (IOException e) {
            return "";
        }
}

//DemoTest.java
@Test
public void newFileMethodsTest() {
        assertTrue(Demo.newFileMethods().equals("Hello World !!"));
}