tb.java

是一道关于流的输入和输出的程序。程序详细的说明了流的方式

import java.io.*;
public class tb{
public static void main(String args[]){
try{
RandomAccessFile rf=new RandomAccessFile("rtest.dat", "rw");
for(int i = 0; i < 10; i++){
 rf.writeInt(i);
 rf.writeDouble(i*1.414);
 }
rf.close();
rf = new RandomAccessFile("rtest.dat", "rw");
rf.seek(5*(4+8));
rf.writeInt(47);
rf.writeDouble(47.00021);
rf.close();
rf = new RandomAccessFile("rtest.dat", "r");
for(int i = 0; i < 10; i++){
 ;
 System.out.println("Value " + rf.readInt() + ": " + rf.readDouble());
}
rf.close();
}catch(IOException e){
System.out.println(e.toString());
}
}
}
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