Question

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。

Answer 1

pubilc class Test{ public String getStr(){ String s=System.in(); Scanner san=new Scanner(s); return san; } public static void main(String args[]){ System.out.println(new Test().getStr()); new Test().writetofile(); } public void writetofile() throws Exception{ String text=this.getStr(); FileOutputStream fos=new FileOutputStream("a.txt"); fos.write(text); fos.flush(); fos.close(); } }