String[] red = new String[]{" 123 123123 "," 123123123 "," 123 "," 321 2"};
一个这样的字符数组怎么样把里面的空格给去掉
for(int i = 0; i < red.length; i++)
red[i] = red[i].trim();
这样做不行?
一个这样的字符数组怎么样把里面的空格给去掉
for(int i = 0; i < red.length; i++)
red[i] = red[i].trim();
这样做不行?
===============================
只能取掉你的左右两端的空格
还是用replace(" ","");或者是正则replace("去空格的正则","");
具体的正则给忘了
=======================
问题是左右2边的空格都去不掉
String temp=new StringBuilder(String red[i]);
for(int j=0;j<temp.length;j++){
if(temp.charAt(j).equals(""))
temp.charAt(j).deleteCharAt(j);
}
}
呵呵,这个方法比较笨
{
red[i]= red[i].replaceAll(" ","");
}
String[] red = new String[]{" 123 123123 "," 123123123 "," 123 "," 321 2"};
int i = 0;
for(String str: red) {
red[i] = str.replaceAll(" ", "");
++i;
}
System.out.println(Arrays.toString(red));