试试这个

    String str = "This is String";
    String[] splited = str.split("\\s+");

    String split_one=splited[0];
    String split_second=splited[1];
    String split_three=splited[2];

   Log.d("Splited String ", "Splited String" + split_one+split_second+split_three);

试试这个

    String str = "This is String";
    String[] splited = str.split("\\s+");

    String split_one=splited[0];
    String split_second=splited[1];
    String split_three=splited[2];

   Log.d("Splited String ", "Splited String" + split_one+split_second+split_three);

Try

String[] splited = str.split("\\s");

http://download.oracle.com/javase/tutorial/essential/regex/pre_char_classes.html

因为这些答案已经发布了一段时间了，下面是另一种更流行的回答方法:

List<String> output = new ArrayList<>();
try (Scanner sc = new Scanner(inputString)) {
    while (sc.hasNext()) output.add(sc.next());
}

现在你有了一个字符串列表(可以说比数组更好);如果你确实需要一个数组，你可以做输出。toArray(新的字符串[0]);

你可以使用下面的代码分离字符串:

   String theString="Hello world";

   String[] parts = theString.split(" ");

   String first = parts[0];//"hello"

   String second = parts[1];//"World"

char用单引号代替双引号

String[] split = str.split(' ');