InputStream是Java中所有输入流的顶级类,它定义了读取数据的基本方法,如read()和skip()。通过继承InputStream,可以创建不同类型的输入流,比如FileInputStream用于从文件读取数据,ByteArrayInputStream用于从字节数组读取数据等。 2. 将InputStream输出到文件 要将InputStream中的数据输出到文件,我们通常需要结合使用OutputS...
*///1.使用DataOutputStream数据输出流写入数据到指定文件中FileOutputStream fos =newFileOutputStream(sourceFile); DataOutputStream dos=newDataOutputStream(fos);//writeInt 写入int类型dos.writeInt(123);//writeDouble 写入Double 类型dos.writeDouble(4.56);//writeUTF 使用 modified UTF-8编码以机器无关的...
输出字节流InputStream用于“写入”,其中最常用的方法是:write(byte[] b),write(byte[] b, int off, int len),write(int b) 测试代码: 1importjava.io.FileOutputStream;2importjava.io.IOException;3importjava.io.OutputStream;45publicclassFile002 {6publicstaticvoidmain(String[] args)throwsIOException {...
步骤2:创建ByteArrayInputStream 接下来,我们需要将获取的字节流转换为InputStream。我们可以通过创建一个ByteArrayInputStream对象来实现这一步。 AI检测代码解析 // 代码示例ByteArrayOutputStreambaos=newByteArrayOutputStream();intdata;while((data=fis.read())!=-1){baos.write(data);}ByteArrayInputStreambais...
A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way. An application uses a data output stream to write data that can later be read by a data input stream. ...
Closeable,DataOutput,Flushable,AutoCloseable public classDataOutputStreamextendsFilterOutputStreamimplementsDataOutput A data output stream lets an application write primitive Java data types to an output stream in a portable way. An application can then use a data input stream to read the data back in...
Java documentation forjava.io.ByteArrayInputStream. Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License.
write(bytes);} catch (IOException ex) { System.out.println(ex.getMessage());} 完整代码及运行效果: ObjectOutputStream ObjectOutputStream 将 Java 对象的原始数据类型和图形写入 OutputStream。可以使用 ObjectInputStream 读取(重构)对象。对象的持久存储可以通过使用流的文件来实现。如果流是网络套接字流...
java 文件 转换 bytearrayinputstream 以下是将一个3G大小的文件转换为ByteArrayInputStream对象的Java代码示例: import java.io.*; public class FileToByteArrayInputStream { public static void main(String[] args) { try { File file = new File("path/to/3G_file"); FileInputStream fis = new File...
[Android.Runtime.Register("writeBinaryStream", "(Ljava/io/InputStream;)V", "GetWriteBinaryStream_Ljava_io_InputStream_Handler:Java.Sql.ISQLOutputInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")] public void WriteBinaryStream(System.IO.Stream? x); 參數 x Stream...