Android examples for java.util:List Element
get Last Element from List
import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Date; import java.util.Enumeration; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.ListIterator; import java.util.Map; import java.util.Map.Entry; import java.util.Set; import java.util.StringTokenizer; public class Main{ public static void main(String[] argv){ List list = java.util.Arrays.asList("asdf","book2s.com"); System.out.println(getLast(list)); }/*w ww. j a v a 2s .c o m*/ public static <T> T getLast(List<T> list) { if (isEmpty(list)) { return null; } return list.get(list.size() - 1); } public static <T> T getLast(T[] array) { if (isEmpty(array)) { return null; } return array[array.length - 1]; } public static <T> T getLast(List<T> list, Matcher<? super T> matcher) { if (isEmpty(list)) { return null; } ListIterator<T> it = list.listIterator(list.size()); while (it.hasPrevious()) { T obj = it.previous(); if (matcher.matches(obj)) { return obj; } } return null; } public static <T> T getLast(List<T> list, ListMatcher<? super T> matcher) { if (isEmpty(list)) { return null; } for (int I = list.size() - 1; I >= 0; I--) { T obj = list.get(I); if (matcher.matches(I, obj)) { return obj; } } return null; } public static <T> T getLast(T[] array, Matcher<? super T> matcher) { if (isEmpty(array)) { return null; } for (int I = array.length - 1; I >= 0; I--) { T obj = array[I]; if (matcher.matches(obj)) { return obj; } } return null; } public static <T> T getLast(T[] array, ListMatcher<? super T> matcher) { if (isEmpty(array)) { return null; } for (int I = array.length - 1; I >= 0; I--) { T obj = array[I]; if (matcher.matches(I, obj)) { return obj; } } return null; } public static boolean isEmpty(Collection<?> c) { return c == null || c.isEmpty(); } public static boolean isEmpty(Map<?, ?> map) { return map == null || map.isEmpty(); } @SafeVarargs public static <T> boolean isEmpty(T... array) { return array == null || array.length == 0; } }