Java 去除文本 空格 换行符

Java 去除文本 空格 换行符

​package game;import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;public class 去除文本中的换行符和空格 {public static void main(String[] args) {User("论文.txt","New论文.txt");}public static void User(String file,String NewFile) {try(BufferedReader br =new BufferedReader(new FileReader(file));BufferedWriter bw =new BufferedWriter(new FileWriter(NewFile))){char[] x = new char[1024];int len = -1;String ex;while((len = br.read(x)) != -1){/**试过让x的缓冲只有一个单位,然后尝试判断x是否为空格失败了*/ex = String.valueOf(x).replace(" ","");//去除空格ex = ex.replace("rn","");//去除换行System.out.println(ex);bw.write(ex);}}catch (Exception e){e.printStackTrace();}}
}
​