How do I escape a String for XML?

```
package test;

import java.io.File;

import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringEscapeUtils;

public class XmlEscapeTest {

    public static void main(String[] args) throws Exception {

        String str = FileUtils.readFileToString(new File("Demo.txt"));
        String results = StringEscapeUtils.escapeXml(str);
        System.out.println(results);

    }

}

```

and ***Demo.txt*** File Contains.

```none
<sometext>
    Here is Demo "Lines" that I'd like to be "escaped" for XML
    & here is some Examples: on Java. Thats?good programming Language.
</sometext>

```