List<String> contain = new ArrayList<String>();
contain.add("HPDH-1,001, Check-out date: 7/7/7");
contain.add("JTI-1,001, Check-out date: 7/7/7");
String code = "JTI-1 ";
for (int i = 0; i < contain.size(); i++) {
if (contain.get(i).contains(code.trim())) {<---Use trim it is possible that code may have extra space
System.out.println(contain.get(i));
}
}