JAVA文件读写例题实现过程解析

练习

有这样的一个words数组，数组中每个字符串的格式为“词性:单词”

String[] words = {'verb:eat','verb:drink','verb:sleep','verb:play','noun:rice','noun:meat','noun:hand','noun:hair'};

根据单词性质动词verb全部存入verb.txt文件中

根据单词性质名词noun全部存入noun.txt文件中

package readandwrite;/*1.有这样的一个words数组，数组中每个字符串的格式为“词性:单词” String[] words = {'verb:eat','verb:drink','verb:sleep','verb:play','noun:rice','noun:meat','noun:hand','noun:hair'}; 根据单词性质动词verb全部存入verb.txt文件中 根据单词性质名词noun全部存入noun.txt文件中*/import java.io.*;public class FileReadAndWrite { public static void main(String args[]) throws IOException { //WORDS数组 String[] words = {'verb:eat','verb:drink','verb:sleep','verb:play','noun:rice','noun:meat','noun:hand','noun:hair'}; FileOutputStream outFile1 = new FileOutputStream('verb.txt'); FileOutputStream outFile2 = new FileOutputStream('noun.txt'); OutputStream out1 = new BufferedOutputStream(outFile1); OutputStream out2 = new BufferedOutputStream(outFile2); for(int i=0;i<words.length;i++){ if(words[i].startsWith('verb')){byte[] bytes1 = words[i].getBytes();out1.write(bytes1); } if(words[i].startsWith('noun')){byte[] bytes2 = words[i].getBytes();out2.write(bytes2); } } out1.close(); out2.close(); }}

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