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‎README.md‎

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- [threeJs](#threeJs)
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+ [java](#java)
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- [common](#common-2)
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- [io](#io)
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- [npl](#nlp)
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- [Spring](#spring)
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- [MVC](#mvc)
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+ [ubuntu](#ubuntu)
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## c
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## java
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### common
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* [BWTCode.java: BWT编码](java/common/BWTCode.java)
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* [Cpdetector.java: 使用cpdetector检查文件编码方式](java/common/Cpdetector.java)
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* [EnumUse.java: 枚举使用示例](java/common/EnumUse.java)
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* [GetIP.java: 获得主机的ip地址](java/common/GetIP.java)
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* [GnuGetOpt.java: 使用gnu getopt处理命令行参数](java/common/GnuGetOpt.java)
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* [SortFile.java: 将读入的文件一行行的进行排序, 使用TreeMap](java/common/SortFile.java)
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### io
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* [MultipartFileSender.java: 支持文件断点续传(WEB项目中)](java/io/MultipartFileSender.java)
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* [NioOp.java: NIO2 对文件操作-检查文件存在、获得文件属性、遍历文件夹、重命名、创建文件夹、删除文件](java/io/NioOp.java)
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### nlp
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* [JLanguageCheck.java: 使用JLanguageTool 检测文本语法和语义错误, 可自定义规则](java/nlp/JLanguageCheck.java)
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* [rules-en-English.xml: JLanguageTool 自定义规则示例](java/nlp/rules-en-English.xml)
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### Spring
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#### MVC
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* [Spring MVC HelloWolrd](java/spring/mvc/helloworld)
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* [Spring MVC 文件上传简单示例](java/spring/mvc/uploadfile)
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* [Spring MVC 文件上传简单示例--整合bootstrap-fileinput](java/spring/mvc/uploadfile-bootstrap-fileinput)

‎java/common/Cpdetector.java‎

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package com.zhangjikai.utils;
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import info.monitorenter.cpdetector.io.*;
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import java.io.File;
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import java.net.*;
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import java.nio.charset.Charset;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.List;
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/**
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* Created by zhangjk on 2016/1/19.
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*/
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public class Cpdetector {
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/**
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* 使用Cpdetector检测文件编码
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*
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* @param file
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* @return
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*/
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public static Charset getFileEncode(File file) {
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try {
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CodepageDetectorProxy detector = CodepageDetectorProxy.getInstance();
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detector.add(new ParsingDetector(false));
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detector.add(JChardetFacade.getInstance());
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detector.add(ASCIIDetector.getInstance());
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detector.add(UnicodeDetector.getInstance());
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java.nio.charset.Charset charset = null;
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charset = detector.detectCodepage(file.toURI().toURL());
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return charset;
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} catch (Exception ex) {
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ex.printStackTrace();
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return null;
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}
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}
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}
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‎java/common/EnumUse.java‎

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/**
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* 枚举使用示例
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* 使用枚举的值 EnumUse.POSITIVE.toString();
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*/
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public enum EnumUse {
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POSITIVE("pos"), NEGATIVE("neg"), ZERO("zero");
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private String value;
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private EnumUse(String value) {
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this.value = value;
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}
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@Override
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public String toString() {
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return value;
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}
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}
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class Test{
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public static void main(String[] args) {
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System.out.println(EnumUse.POSITIVE);
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}
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}

‎java/common/GetIP.java‎

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package com.zhangjikai.utils;
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import java.net.*;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.List;
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/**
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* 获得电脑的ip地址, 可能获得多个
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* Created by zhangjk on 2016/1/19.
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*/
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public class FtUtils {
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public static List<String> getIps() {
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List<String> ipList = new ArrayList<>();
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Enumeration nets = null;
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try {
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nets = NetworkInterface.getNetworkInterfaces();
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for (NetworkInterface netint : (List<NetworkInterface>) Collections.list(nets)) {
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Enumeration inetAddresses = netint.getInetAddresses();
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for (InetAddress inetAddress : (List<InetAddress>) Collections.list(inetAddresses)) {
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if (inetAddress instanceof Inet4Address)
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ipList.add(inetAddress.getHostAddress());
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}
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}
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} catch (SocketException e) {
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ipList.add("127.0.0.1");
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e.printStackTrace();
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}
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for(String s : ipList) {
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System.out.println(s);
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}
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return ipList;
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}
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public static void main(String[] args) {
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getIps();
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}
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}

‎java/common/GnuGetOpt.java‎

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package bitpal;
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import gnu.getopt.Getopt;
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import gnu.getopt.LongOpt;
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import java.math.BigInteger;
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/**
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* 使用gnu.getopt 处理命令行参数,
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*
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* <dependency>
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* <groupId>gnu.getopt</groupId>
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* <artifactId>java-getopt</artifactId>
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* <version>1.0.13</version>
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* </dependency>
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*
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* Created by zhangjikai on 16-3-14.
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*/
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public class GnuGetOpt {
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public static void printHelp() {
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StringBuilder builder = new StringBuilder();
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builder.append("Options:\n\n");
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builder.append(String.format("%-30s", "-M,--match <arg>:"));
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builder.append("Specify the match score which should be positive or zero. Default is 2.\n\n");
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builder.append(String.format("%-30s", "-I,--mismatch <arg>: "));
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builder.append("Specify the mismatch score which should be negative. Default is -3.\n\n");
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builder.append(String.format("%-30s", "-G,--gap <arg>: "));
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builder.append("Specify the gap score which should be negative. Default is -5.\n\n");
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builder.append(String.format("%-30s", "-d,--directory <arg>: "));
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builder.append("Specify the directory where to place generated source files.\n\n");
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builder.append(String.format("%-30s", "-h,--help: "));
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builder.append("Display help Information.\n\n");
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builder.append(String.format("%-30s", "-n,--name <arg>: "));
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builder.append("Set the name of generated source file.\n\n");
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builder.append(String.format("%-30s", "-t,--type <arg>: "));
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builder.append("Set the type of generated files. Valid values are: cpu, mic, avx2. Default is cpu.\n\n");
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System.out.println(builder.toString());
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}
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public static void handleArgs(String[] args) {
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LongOpt longOpts[] = new LongOpt[7];
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longOpts[0] = new LongOpt("help", LongOpt.NO_ARGUMENT, null, 'h');
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longOpts[1] = new LongOpt("directory", LongOpt.REQUIRED_ARGUMENT, null, 'd');
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longOpts[2] = new LongOpt("name", LongOpt.REQUIRED_ARGUMENT, null, 'n');
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longOpts[3] = new LongOpt("match", LongOpt.REQUIRED_ARGUMENT, null, 'M');
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longOpts[4] = new LongOpt("mismatch", LongOpt.REQUIRED_ARGUMENT, null, 'I');
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longOpts[5] = new LongOpt("gap", LongOpt.REQUIRED_ARGUMENT, null, 'G');
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longOpts[6] = new LongOpt("type", LongOpt.REQUIRED_ARGUMENT, null, 't');
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int c;
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int num;
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String arg;
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Getopt opt = new Getopt("bitpal", args, "M:I:G:d:hn:t", longOpts);
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while ((c = opt.getopt()) != -1) {
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switch (c) {
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case 'M':
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arg = opt.getOptarg();
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try {
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num = Integer.parseInt(arg);
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} catch (Exception e) {
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System.err.println("-M: You should input an integer.");
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System.exit(-1);
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}
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break;
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case 'I':
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arg = opt.getOptarg();
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try {
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num = Integer.parseInt(arg);
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} catch (Exception e) {
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System.err.println("-I: You should input an integer.");
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System.exit(-1);
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}
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break;
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case 'G':
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arg = opt.getOptarg();
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try {
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num = Integer.parseInt(arg);
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} catch (Exception e) {
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System.err.println("-G: You should input an integer.");
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System.exit(-1);
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}
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break;
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case 'd':
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arg = opt.getOptarg();
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break;
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case 'h':
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printHelp();
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break;
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case 'n':
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arg = opt.getOptarg();
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break;
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case 't':
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arg = opt.getOptarg();
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if (!"cpumicavx2".contains(arg)) {
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System.err.println("-t: Valid values are {cpu, mic, avx2}");
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System.exit(-1);
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}
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break;
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case '?':
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System.err.println("The option '" + (char) opt.getOptopt() + "' is not valid");
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System.exit(-1);
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break;
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default:
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break;
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}
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}
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}
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public static void main(String[] args) {
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handleArgs(args);
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}
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}

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