replaceAll("<[^>]*>", "").trim()
String html1 = "<p>測試1</p>".replaceAll("<[^>]*>", "").trim();
String html2 = "<p>測試2</p>".replaceAll("<[^>]*>", "").trim();
String html3 = "<p>測試3</p>".replaceAll("<[^>]*>", "").trim();
String html4 = "<p>測試4</p>".replaceAll("<[^>]*>", "").trim();
System.out.println(html1);
System.out.println(html2);
System.out.println(html3);
System.out.println(html4);