å°æ°ç»è½¬å为å符串ï¼ç¼ç¨å®ç°æ¹æ³å¦ä¸ï¼
æåå两ä½ï¼ç¶åæè¿ä¸ªå串è£
å
¥æ°ç»å³å¯ãå¦æå符串æä¸å®è§å¾ï¼å¦ s =â23-3-4-2â
å¯ä»¥æç
§String[] str = s.split("-");è¿æ ·å¯ä»¥æç
§â-âæåå符串æå符æ°ç»ã
举ä¾ï¼
//å符串æ°ç»
String[] arrs=new String[]{"1","2","3","4","5"};
StringBuilder sb=new StringBuilder();
for(String s:arrs){
sb.append(s);
}
String result=sb.toString();
System.out.println(result);
//æ´å½¢æ°ç»
int[] arrs2=new int[]{1,2,3,4,5};
StringBuilder sb2=new StringBuilder();
for(int num:arrs2){
sb2.append(num);
}
String result2=sb2.toString();
System.out.println(result2);