import java.util.*;
class Example3{
public static void main(String args[]){
Scanner sc = new Scanner(System.in);
String s = sc.nextLine();//这里的sc.nextLine()空格也会记数;
StringTokenizer st = new StringTokenizer(s," ");
int numble = st.countTokens();
while(st.hasMoreTokens())
{
String str = st.nextToken();
}
System.out.print(numble);
}
}
输入一字符串,统计其中有多少个单词(单词之间用空格分隔)
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转载自blog.csdn.net/qq_41264055/article/details/80260495
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