我在我的java项目中使用了TCP套接字。我正在尝试从一些设备接收数据。每当设备从0x80到0x9f发送数据时,数据就会损坏。例如,如果设备发送0x86(十进制134),我将得到0x2020(十进制8224)。请找到下面的示例代码
BufferedReader in = new BufferedReader(
new InputStreamReader(
socket.getInputStream()));
int res = in.read() ;
如果有人遇到这样的问题,请让我知道。任何帮
import java.io.DataInputStream;
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.InputStream;
class Myclass
{
public static void main(String args[])
{
try{
//writing data into file from byte stream i.e FileOutputStream and reading fro
我正在阅读上java中的所有输入/输出流。教程编写人员使用此示例:
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
public class CopyBytes {
public static void main(String[] args) throws IOException {
FileInputStream in = null;
FileOutputStream out = null;
t
我最近开始学习Java,想了解一个大型应用程序的java模块。我偶然发现了这行java代码:
String line = (new BufferedReader(new InputStreamReader(System.in))).readLine();
这段java代码是做什么的。有没有C/C++的等价物?
我要让StackOverflowError进行递归调用:
Exception in thread "main" java.lang.StackOverflowError
at Test.trailMngr(Test.java:112)
at Test.trailMngr(Test.java:115)
at Test.trailMngr(Test.java:115)
at Test.trailMngr(Test.java:115)
at Test.trailMngr(Test.java:115
我从服务器接收到一些数据,并从java代码中读取它们:
is = new BufferedInputStream(connection.getInputStream());
reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
int length;
char[] buffer = new char[4096];
StringBuilder sb = new StringBuilder();
while ((length = reader.read(buffer)) != -1) {
sb.ap
我不明白什么时候应该使用FileReader和BufferedReader的组合,什么时候使用FileInputStream读取文件(并输出到日志)?
/**
* Created by mona on 3/26/16.
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
public class FileExample {
public static