Java遍历集合（如List, Set, Map等）通常有多种方法。遍历集合的方式，包括传统for循环、增强的for循环（也称"for-each"循环）、迭代器（Iterator）以及流（Stream）API。
示例：
for循环遍历List：
List<String> list = Arrays.asList("Apple", "Banana", "Cherry");
for (int i = 0; i < list.size(); i++) {
System.out.println(list.get(i));
}
for循环（for-each）遍历集合：
List<String> list = Arrays.asList("Apple", "Banana", "Cherry");
for (String fruit : list) {
System.out.println(fruit);
}
迭代器（Iterator）遍历集合：
List<String> list = Arrays.asList("Apple", "Banana", "Cherry");
Iterator<String> iterator = list.iterator();
while (iterator.hasNext()) {
System.out.println(iterator.next());
}
流（Stream）API遍历集合：
List<String> list = Arrays.asList("Apple", "Banana", "Cherry");
list.stream().forEach(System.out::println);
遍历Map：
Map<String, Integer> map = new HashMap<>();
map.put("Apple", 1);
map.put("Banana", 2);
map.put("Cherry", 3);
// 遍历键
for (String key : map.keySet()) {
System.out.println(key);
}
// 遍历值
for (Integer value : map.values()) {
System.out.println(value);
}
// 遍历键值对
for (Map.Entry<String, Integer> entry : map.entrySet()) {
System.out.println(entry.getKey() + ": " + entry.getValue());
}