将List转化成String数组

原文网址：http://www.yu-china.cn/java.do?method=jsid&lid=295&id=551&page=1

List<String> list = new ArrayList<String>();

list.add("a1");

list.add("a2");

String[] toBeStored = list.toArray(new String[list.size()]);

for(String s : toBeStored) {

System.out.println(s);
}

List<String> list = new ArrayList<String>();
list.add("a1");
list.add("a2");
String[] toBeStored = list.toArray(new String[list.size()]);
for(String s : toBeStored) {
System.out.println(s);
}

或

List<String> list = new ArrayList<String>();

list.add("a1");

list.add("a2");

String[] toBeStored = new String[al.size()];

list.toArray(toBeStored);
for (String s : toBeStored) {

System.out.println(s);
}

List<String> list = new ArrayList<String>();
list.add("a1");
list.add("a2");

String[] toBeStored = new String[al.size()];
list.toArray(toBeStored);
for (String s : toBeStored) {
System.out.println(s);

}

或

List<String> list = new ArrayList<String>();

list.add("a1");

list.add("a2");

String[] toBeStored = new String[]{};

String[] str = al.toArray(toBeStored);
for (String s : str) {

System.out.println(s);
}

List<String> list = new ArrayList<String>();
list.add("a1");
list.add("a2");

String[] toBeStored = new String[]{};
String[] str = al.toArray(toBeStored);
for (String s : str) {

System.out.println(s);
}

或

String str[] = list.toArray(new String[]{});