java编写一个程序,从键盘输入一串字符,从屏幕输出并将其存入a.txt文件中。 JAVA利用标准输入法从键盘输入字符，并将输入的字符写到文本...
\u7f16\u5199\u4e00\u4e2aJava\u5e94\u7528\u7a0b\u5e8f\uff0c\u8bfb\u53d6\u4ece\u952e\u76d8\u8f93\u5165\u7684\u4e00\u884c\u6587\u672c\u5e76\u5c06\u5176\u5b58\u50a8\u5230\u6587\u4ef6line.txt\u4e2d\uff0c\u5f53\u7528\u6237\u8fd0\u884c\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u8f93import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.Scanner;public class TestOutPut{public static void main(String[] args) {Scanner scanner = new Scanner(System.in);String inputStr = scanner.nextLine();File file = new File("line.txt");FileOutputStream fileOut;try {fileOut = new FileOutputStream(file);fileOut.write(inputStr.getBytes());} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.FileNotFoundException;public class InputStreamReaderTest {
public static void main(String[] args) {
BufferedReader br=null;
BufferedWriter bw=null;
String str=null;
FileReader fr= null;
FileWriter fw = null;
String path ="d:/fuck.txt";
int c=0;
br=new BufferedReader(new InputStreamReader(System.in));//\u4e0d\u77e5\u9053\u8fd9\u662f\u4e0d\u662f\u7f13\u51b2\u8f93\u5165\u6d41
System.out.print("\u8bf7\u8f93\u5165\u6570\u636e:");
try {//
str=br.readLine();//\u4ece\u952e\u76d8\u4e0a\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u4ee5\u56de\u8f66\u7ed3\u675f\u3002
fw = new FileWriter(path);
bw = new BufferedWriter(fw);
bw.write("\u592a\u9633\u51fa\u6765\u4e1c\u65b9\u4eae\uff0c\u5c71\u70ae\u5565\u6837\u6211\u5565\u6837\\n\u2026\u2026");
while(str != null){//\u7528\u4e86\u5faa\u73af\u53ef\u4ee5\u591a\u8f93\u5165\u51e0\u6b21\u3002
if(str.equalsIgnoreCase("exit")){
break;
}
System.out.println("\u4ece\u952e\u76d8\u4e0a\u8f93\u5165\u7684\u6570\u636e\u4e3a\uff1a" + str);//\u8f93\u51fa\u5c4f\u5e55
bw.write(str);//\u5199\u5230\u6587\u672c
//bw.newLine();
System.out.print("\u8bf7\u8f93\u5165\u6570\u636e:");
str=br.readLine();
}
bw.flush();
System.out.println("end");
}catch(FileNotFoundException e){
} catch (IOException e) { } finally{
try {
if(br != null)
br.close();
} catch (IOException e) {
}
try {
bw.close();
} catch (IOException e) {
}
try {
fw.close();
} catch (IOException e) {
}
}
try {
fr = new FileReader(path);
while((c = fr.read())!= -1){//\u4ece\u6587\u672c\u8bfb\u53d6
System.out.print((char)c);
}
System.out.println();
} catch (FileNotFoundException e){
} catch (Exception e) {
}
}
}
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
public class Write{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("请输入要输入的字符");
String str=sc.next();
System.out.println("你输入的字符为");
System.out.println(str);
try {
BufferedWriter buff = new BufferedWriter(new FileWriter("D:\\chat File\\a.txt"));
buff.write(str);
buff.flush();
buff.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
public class OutputA {
public static void main(String [] args){
Scanner sc=new Scanner(System.in);
String s=sc.nextLine();
System.out.println("string's value is : "+s);
try {
BufferedWriter bw=new BufferedWriter(new FileWriter("d:\\a.txt"));
bw.write(s);
bw.flush();
bw.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
你是准备使用输出流写得么？？
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