import java.util.*;
class Example
{
public static void main(String args[])
{
String s=new String("we,go,to,shchool,yeah");
StringTokenizer token=new StringTokenizer(s,",");
int n=token.countTokens();
String word=token.nextToken();
System.out.printf("%s,%d",word,n);
}
}
大虾帮我改下
class Example
{
public static void main(String args[])
{
String s=new String("we,go,to,shchool,yeah");
StringTokenizer token=new StringTokenizer(s,",");
int n=token.countTokens();
String word=token.nextToken();
System.out.printf("%s,%d",word,n);
}
}
大虾帮我改下
for (int x=0; x<result.length; x++)
System.out.println(result[x]);对于你的代码,最佳方法是
public static void main(String args[])
{
String s=new String("we,go,to,shchool,yeah");
String words[] = s.split(",");
for(String word : words)
{
System.out.println(word);
}
}
import java.util.*;
class Example
{
public static void main(String args[])
{
String s=new String("we,go,to,shchool,yeah");
StringTokenizer token=new StringTokenizer(s,",");
int n=token.countTokens();
while(token.hasMoreTokens())
{
String word=token.nextToken();
System.out.println(word);
}
System.out.println("共有单词:"+n+"个");}
}
{
System.out.println(word);
}等效于:for(int i = 0 ; i<words.length; i++)
{
System.out.println(words[i]);
}
String word : words
这个“:”代表什么意思啊?
谢谢....啊,这个是SDK1.5新增添的Foreach功能
说白了就是让for循环更容易罢了
for(String word : words) 这句话如果翻译成中文,实际上的含义是
“建立一个String的实例word,让它遍历String数组words中所有的元素”
这个":"你可以理解为“遍历”的意思,这样以后读程序就方便理解多了