java编程题从键盘输入一段英文,统计这段文字中单词的个数,并输出其中由四个字母组成的单词以5个一行输
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java编程题从键盘输入一段英文,统计这段文字中单词的个数,并输出其中由四个字母组成的单词以5个一行输
import java.util.Scanner;
public class SplitWords {
public static void main(String[] args) {
System.out.println("Please input some english words,separate with ',' or SPACE ");
Scanner scanner = new Scanner(System.in);
String input = scanner.nextLine();
String[] words = input.replace(',',' ').replace('.',' ').split("\\s+");
System.out.println("Total " + words.length + " separate word in " + input);
System.out.println("Words with 4 characters are as follows:");
int count = 0;
for(String str:words){
if(count == 5){
System.out.println();
count = 0;
}
if(str.length() == 4){
System.out.print(str + "\t");
count++;
}
}
}
}
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Please input some english words,separate with ',' or SPACE
Today is Christmas Day,we people in china don't celebrate it.I like china very much.
Total 16 separate word in Today is Christmas Day,we people in china don't celebrate it.I like china very much.
Words with 4 characters are as follows:
like very much
public class SplitWords {
public static void main(String[] args) {
System.out.println("Please input some english words,separate with ',' or SPACE ");
Scanner scanner = new Scanner(System.in);
String input = scanner.nextLine();
String[] words = input.replace(',',' ').replace('.',' ').split("\\s+");
System.out.println("Total " + words.length + " separate word in " + input);
System.out.println("Words with 4 characters are as follows:");
int count = 0;
for(String str:words){
if(count == 5){
System.out.println();
count = 0;
}
if(str.length() == 4){
System.out.print(str + "\t");
count++;
}
}
}
}
------------------
Please input some english words,separate with ',' or SPACE
Today is Christmas Day,we people in china don't celebrate it.I like china very much.
Total 16 separate word in Today is Christmas Day,we people in china don't celebrate it.I like china very much.
Words with 4 characters are as follows:
like very much
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