标签:tokenizer log ringbuf buffer trim ken color ted generate
1、去除字符串的前导、尾部空格
str.trim()
2、去除字符串中的所有空格
a、StringTokenizer()
1 import java.util.StringTokenizer; 2 3 //利用StringTokenizer()方法去除字符串中 的所有空格 4 5 public class StringTo { 6 7 public static void main(String[] args) { 8 // TODO Auto-generated method stub 9 String text = " We love study "; 10 System.out.println("原字符串是:"); 11 System.out.println(text); 12 StringTokenizer st = new StringTokenizer(text," ");//要从text字符串中去除的字符为空格 13 StringBuffer sb = new StringBuffer(); 14 // int i = 1; 15 while(st.hasMoreTokens()){ 16 // i++; 17 sb.append(st.nextToken()); 18 } 19 System.out.println("去除字符串中所有空格之后的字符串是:"); 20 System.out.println(sb.toString()); 21 22 } 23 24 }
b、replaceAll()方法
该方法是将空格" "用""替换,以达到去除字符串中空格的目的,
str.replaceAll(String regex,String replacement)
1 String s = "J A V A 编 程 思 想 "; 2 s = s.replace(" ", ""); 3 System.out.println("去除空格后的字符串为:"+s);
标签:tokenizer log ringbuf buffer trim ken color ted generate
原文地址:http://www.cnblogs.com/feimanzhh/p/6089923.html