字符串数组转换为ArrayList集合,数组arraylist
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字符串数组转换为ArrayList集合,数组arraylist
ArrayList<String> strs = new ArrayList<String>();
System.out.println(strs.size());
String[] newitems = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L" };
List<String> items = Arrays.asList(newitems);
ArrayList<String> aitems = new ArrayList<String>(items);
List<String> list=new ArrayList<String>();
list.add("王利虎");
list.add("张三");
list.add("李四");
int size=list.size();
String[] array = (String[])list.toArray(new String[size]);
for(int i=0;i<array.length;i++){
System.out.print(array[i]);
}
for(String str:aitems) {
System.out.print(str);
}
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