import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.util.Random;
import java.util.RandomAccess;
public class RandomAcccessFileDemo {
public static void main(String[] args) throws IOException {
File file=new File("F:"+File.separator+"BBBB.txt");
RandomAccessFile randomAccess=new RandomAccessFile(file,"rw") ;
{
randomAccess.skipBytes(24);
byte data[]=new byte[24];
int len=randomAccess.read(data);
System.out.println(new String(data,0,len));
}
/* String names[]=new String[]{"zhangsan","lisi","wangwu"};
int ages[]=new int[]{30,20,18};
for(int x=0;x<names.length;x++){
randomAccess.write(names[x].getBytes());
randomAccess.writeInt(ages[x]);
}
randomAccess.close();*/
}
}
RandomAccessFile handles file jump reading
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Origin blog.csdn.net/lyl140935/article/details/108588181
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