importjava.util.ArrayList;importjava.util.Comparator;importjava.util.List;// Sort an ArrayList using Collections.sort() method.// Sort an ArrayList using ArrayList.sort() method.// Sort an ArrayList of user defined objects with a custom comparator.publicclassArrayListSortExample {publicstaticvoidmain(String[]args) {List<String> names=newArrayList<>();        names.add("Tony");        names.add("Tom");        names.add("Johnson");        names.add("John");        names.add("Ramesh");        names.add("Sanjay");System.out.println("Names :"+ names);// Sort an ArrayList using its sort() method. You must pass a Comparator to the ArrayList.sort() method.        names.sort(newComparator<String>() {@Overridepublicintcompare(Stringname1,Stringname2) {return name1.compareTo(name2);            }        });// The above `sort()` method call can also be written simply using lambda expression        names.sort((name1, name2)-> name1.compareTo(name2));// Following is an even more concise solution        names.sort(Comparator.naturalOrder());System.out.println("Sorted Names :"+ names);    }}