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rAnDomACCEssFilE rwD

"r" 以只读方式打开。调用结果对象的任何 write 方法都将导致抛出 IOException。 "rw" 打开以便读取和写入。如果该文件尚不存在,则尝试创建该文件。 "rws" 打开以便读取和写入,对于 "rw",还要求对文件的内容或元数据的每个更新都同步写入到底...

"rws" Open for reading and writing, as with "rw", and also require that every update to the file's content or metadata be written synchronously to the underlying storage device. "rwd" Open for reading and writing, as with "rw",...

RandomAccessFile提供的构造器,包括: RandomAccessFile(File file, String mode) RandomAccessFile(String fileName, String mode) AssetManager对asset文件的支持,如下: InputStream AssetManager.open(String fileName) AssetFileDescript...

RandomAccessFile public RandomAccessFile(File file,String mode)throws FileNotFoundException 创建从中读取和向其中写入(可选)的随机访问文件流,该文件由 File 参数指定。将创建一个新的 FileDescriptor 对象来表示此文件的连接。mode 参...

官方API解释如下: RandomAccessFile public RandomAccessFile(String name, String mode) throws FileNotFoundException 创建从中读取和向其中写入(可选)的随机访问文件流,该文件具有指定名称。将创建一个新的 FileDescriptor 对象来表示到...

import java.io.FileNotFoundException;import java.io.IOException;import java.io.RandomAccessFile;public class FootballClub{private static void change ...

RandomAccessFile accessFile = new RandomAccessFile(saveFile, "rwd"); accessFile.setLength(filelength); accessFile.close(); int block = filelength%thread...

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