//字符数组转List
String[] s = {"a","b","c"}; List list= java.util.Arrays.asList(s); //List转字符数组——例子一 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转字符数组——例子二 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转字符数组——例子三 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); } 利用此转化:String str[] = list.toArray(new String[]{}); List list= java.util.Arrays.asList(String str[]); |
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