/** 1.如果字符串最后一位有值,则没有区别, 2.如果最后n位都是切割符,split(" ")不会继续切分,split(" ", -1)会继续切分 */ public class StringSplit { public static void main(String[] args) { String line = "a b c "; // 1 String str = "a b c d"; // 2 String [] tmp = line.split(" "); System.out.println(tmp.length+"------"); for(int i=0;i<tmp.length;i++){ System.out.println(i+"="+tmp[i]); } String [] items = line.split(" ",-1); System.out.println(items.length+"========"); for(int i=0;i<items.length;i++){ System.out.println(i+"="+items[i]); } System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"); tmp = str.split(" "); System.out.println(tmp.length+"------"); for(int i=0;i<tmp.length;i++){ System.out.println(i+"="+tmp[i]); } items = str.split(" ",-1); System.out.println(items.length+"========"); for(int i=0;i<items.length;i++){ System.out.println(i+"="+items[i]); } } }
split(" ")与split(" ",-1)的区别
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转载自blog.csdn.net/zhaoraolin/article/details/79710257
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