- 授权协议: LGPL
- 开发语言: Java
- 操作系统: Linux
- 软件首页: http://code.google.com/p/juds
软件介绍
Java Unix Domain Sockets (JUDS) 提供了 Java 的方法用来访问 Unix domain sockets 套接字。
示例代码:
package com.google.code.juds.test;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import com.google.code.juds.*;
public class TestUnixDomainSocket {
public static void main(String[] args) throws IOException {
if (args.length != 1) {
System.out
.println("usage: java TestUnixDomainSocket socketfilename");
System.exit(1);
}
String socketFile = args[0];
byte[] b = new byte[128];
// Testcase 1.1: Test UnixDomainSocketClient with a stream socket
UnixDomainSocketClient socket = new UnixDomainSocketClient(socketFile,
UnixDomainSocket.SOCK_STREAM);
InputStream in = socket.getInputStream();
OutputStream out = socket.getOutputStream();
in.read(b);
System.out.println("Text received: \"" + new String(b) + "\"");
String text = "[2] Hello! I'm the client!";
out.write(text.getBytes());
System.out.println("Text sent: " + "\"" + text + "\"");
socket.close();
// Testcase 1.2: Test UnixDomainSocketClient with a datagram socket
socket = new UnixDomainSocketClient(socketFile,
UnixDomainSocket.SOCK_DGRAM);
System.out.println("Provoke and catch an "
+ "UnsupportedOperationException:");
try {
in = socket.getInputStream();
} catch (UnsupportedOperationException e) {
System.out.println("UnsupportedOperationException has been "
+ "thrown as expected.");
}
out = socket.getOutputStream();
text = "[3] Hello! I'm the client!";
out.write(text.getBytes());
System.out.println("Text sent: \"" + text + "\"");
socket.close();
// Testcase 2.1: Test UnixDomainSocketServer with a stream socket
System.out.println("\nTest #2: Test UnixDomainSocketServer\nTestcase "
+ "2.1: Test UnixDomainSocketServer with a stream socket...");
UnixDomainSocketServer ssocket = new UnixDomainSocketServer(socketFile,
UnixDomainSocket.SOCK_STREAM);
in = ssocket.getInputStream();
out = ssocket.getOutputStream();
in.read(b);
System.out.println("Text received: \"" + new String(b) + "\"");
text = "[5] Hello! I'm the server!";
out.write(text.getBytes());
System.out.println("Text sent: " + "\"" + text + "\"");
ssocket.close();
ssocket.unlink();
// Testcase 2.2: Test UnixDomainSocketServer with a datagram socket
System.out.println("Testcase 2.2: Test UnixDomainSocketServer with "
+ "a datagram socket...");
ssocket = new UnixDomainSocketServer(socketFile,
UnixDomainSocket.SOCK_DGRAM);
System.out.println("Provoke and catch an "
+ "UnsupportedOperationException:");
in = ssocket.getInputStream();
try {
out = ssocket.getOutputStream();
} catch (UnsupportedOperationException e) {
System.out.println("UnsupportedOperationException has been "
+ "thrown as expected.");
}
in.read(b);
System.out.println("Text received: \"" + new String(b) + "\"");
ssocket.close();
ssocket.unlink();
}
}
高等应用数学问题的MATLAB求解
薛定宇、陈阳泉 / 清华大学出版社 / 2008-10 / 49.00元
薛定宇和陈阳泉编著的《高等应用数学问题的MATLAB求解》首先介绍了MATLAB语言程序设计的基本内容,在此基础上系统介绍了各个应用数学领域的问题求解,如基于MATLAB的微积分问题、线性代数问题的计算机求解、积分变换和复变函数问题、非线性方程与最优化问题、常微分方程与偏微分方程问题、数据插值与函数逼近问题、概率论与数理统计问题的解析解和数值解法等,还介绍了较新的非传统方法,如模糊逻辑与模糊推理、......一起来看看 《高等应用数学问题的MATLAB求解》 这本书的介绍吧!
