【精品论文】使用FileStream和FileOu.doc

使用FileInputStream和FileOutputStream类将当前目录中的Write1.txt文件复制成Write2.txt文件-报告 JAVA2程序设计实用教程之Java的面向对象特征上机报告|上机实验实习报告|计算机上机实习报告|使用FileInputStream和FileOutputStream类将当前目录中的Write1.txt文件复制成Write2.txt文件|如果去掉sleep语句（同时去掉catch(InterruptedException e)语句），则运行结果将会是怎样算法：import java.io.*;public class Write1 public static void main(String args) try System.out.print(Input: ); int count,n=512; byte buffer = new byten; count = System.in.read(buffer); /读取标准输入流 FileOutputStream wf1 = new FileOutputStream(Write1.txt); FileOutputStream wf2 = new FileOutputStream(Write2.txt); FileInputStream rf=new FileInputStream(Write1.txt); wf1.write(buffer,0,count); /写入输出流 wf1.close(); /关闭输出流 System.out.println(Save to Write1.txt!); rf.read(buffer,0,count); wf2.write(buffer,0,count); wf2.close(); rf.close(); System.out.println(copy to Write2.txt!); catch (IOException ioe) System.out.println(ioe); catch (Exception e) System.out.println(e); 结果：若图片无法显示请联系站长QQ3249114如果去掉sleep语句（同时去掉catch(InterruptedException e)语句），则运行结果将会是怎样？算法：import java.io.*;public class Pipedstream public static void main (String args) PipedInputStream in = new PipedInputStream(); PipedOutputStream out = new PipedOutputStream(); try in.connect(out); catch(IOException ioe) Send s1 = new Send(out,1); Send s2 = new Send(out,2); Receive r1 = new Receive(in); Receive r2 = new Receive(in); s1.start(); s2.start(); r1.start(); r2.start(); class Send extends Thread /发送线程 PipedOutputStream out; static int count=0; /记录线程个数 int k=0; public Send(PipedOutputStream out,int k) this.out= out; this.k= k; this.count+; /线程个数加1 public void run( ) System.out.print(rnSend+this.k+: +this.getName()+ ); int i=k; try while (i10) out.write(i); i+=2; /sleep(1); if (Send.count=1) /只剩一个线程时 out.close(); /关闭输入管道流 System.out.println( out closed!); else this.count-; /线程个数减1 /catch(InterruptedException e) catch(IOException e) class Receive extends Thread /接收线程 PipedInputStream in; public Receive(PipedInputStream in) this.in = in; public void run( ) System.out.print(rnReceive: +this.getName()+ ); try int i = in.read(); while (i!=-1) /输入流未结束时 System.out.print(i+ ); i = in.read(); /sleep(1); in.close(); /关闭输入管道流 / catch(InterruptedException e)