Example usage for java.util List clear

Introduction

In this page you can find the example usage for java.util List clear.

Prototype

void clear();

Source Link

Document

Removes all of the elements from this list (optional operation).

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {

    List<String> list = new ArrayList<String>();
    list.add("A");
    list.add("B");
    list.add("C");
    list.clear();

    System.out.println(list);/*  www .  jav  a  2 s .  c o  m*/
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    List list1 = new ArrayList();
    List list2 = new ArrayList();

    list1.addAll(list2);/*  w w  w .  ja  v a2  s. c  om*/

    list1.removeAll(list2);

    list1.retainAll(list2);

    list1.clear();

    int newSize = 2;
    list1.subList(newSize, list1.size()).clear();
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    List<String> list1 = new ArrayList();
    List<String> list2 = new ArrayList();

    list1.addAll(list2);/*from   w  ww  .jav a2s .  co m*/

    list1.removeAll(list2);

    list1.retainAll(list2);

    list1.clear();

    int newSize = 2;
    list1.subList(newSize, list1.size()).clear();
}

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From source file:MainClass.java

public static void main(String[] a) {

    List list = new ArrayList();
    list.add("A");

    List list2 = ((List) ((ArrayList) list).clone());

    System.out.println(list);/*from w w  w. j a v a 2  s . c om*/
    System.out.println(list2);

    list.clear();

    System.out.println(list);
    System.out.println(list2);
}

---

From source file:Main.java

public static void main(String[] a) {

    List<String> list = new ArrayList<String>();
    list.add("A");

    List list2 = ((List) ((ArrayList) list).clone());

    System.out.println(list);// www  . j  a v  a2  s  .c o  m
    System.out.println(list2);

    list.clear();

    System.out.println(list);
    System.out.println(list2);
}

---

From source file:edu.harvard.med.screensaver.io.screens.StudyCreator.java

@SuppressWarnings("static-access")
public static void main(String[] args) {
    final CommandLineApplication app = new CommandLineApplication(args);

    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("first name")
            .withLongOpt("lead-screener-first-name").create("lf"));
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("last name")
            .withLongOpt("lead-screener-last-name").create("ll"));
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("email")
            .withLongOpt("lead-screener-email").create("le"));

    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("first name")
            .withLongOpt("lab-head-first-name").create("hf"));
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("last name")
            .withLongOpt("lab-head-last-name").create("hl"));
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("email")
            .withLongOpt("lab-head-email").create("he"));

    List<String> desc = new ArrayList<String>();
    for (ScreenType t : EnumSet.allOf(ScreenType.class))
        desc.add(t.name());/*  w  w  w.j  a v  a 2 s .co  m*/
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("screen type")
            .withLongOpt("screen-type").withDescription(StringUtils.makeListString(desc, ", ")).create("y"));
    desc.clear();
    for (StudyType t : EnumSet.allOf(StudyType.class))
        desc.add(t.name());
    app.addCommandLineOption(OptionBuilder.hasArg().isRequired().withArgName("study type")
            .withLongOpt("study-type").withDescription(StringUtils.makeListString(desc, ", ")).create("yy"));
    app.addCommandLineOption(
            OptionBuilder.hasArg().isRequired().withArgName("summary").withLongOpt("summary").create("s"));
    app.addCommandLineOption(
            OptionBuilder.hasArg().isRequired().withArgName("title").withLongOpt("title").create("t"));
    app.addCommandLineOption(
            OptionBuilder.hasArg().withArgName("protocol").withLongOpt("protocol").create("p"));
    app.addCommandLineOption(
            OptionBuilder.hasArg().isRequired().withArgName("#").withLongOpt("facilityId").create("i"));
    app.addCommandLineOption(OptionBuilder.hasArg(false).withLongOpt("replace")
            .withDescription("replace an existing Screen with the same facilityId").create("r"));

    app.addCommandLineOption(OptionBuilder.withLongOpt("key-input-by-wellkey")
            .withDescription("default value is to key by reagent vendor id").create("keyByWellId"));
    app.addCommandLineOption(OptionBuilder.withLongOpt("key-input-by-facility-id")
            .withDescription("default value is to key by reagent vendor id").create("keyByFacilityId"));
    app.addCommandLineOption(OptionBuilder.withLongOpt("key-input-by-compound-name")
            .withDescription("default value is to key by reagent vendor id").create("keyByCompoundName"));
    app.addCommandLineOption(OptionBuilder.withDescription(
            "optional: pivot the input col/rows so that the AT names are in Col1, and the AT well_id/rvi's are in Row1")
            .withLongOpt("annotation-names-in-col1").create("annotationNamesInCol1"));
    app.addCommandLineOption(OptionBuilder.hasArg().withArgName("file").withLongOpt("data-file").create("f"));

    app.addCommandLineOption(OptionBuilder.withArgName("parseLincsSpecificFacilityID")
            .withLongOpt("parseLincsSpecificFacilityID").create("parseLincsSpecificFacilityID"));
    app.processOptions(/* acceptDatabaseOptions= */true, /* acceptAdminUserOptions= */true);
    execute(app);
}

---

From source file:com.microsoft.gittf.client.clc.Main.java

public static void main(String[] args) {
    // Configure logging, use the standard TFS SDK logging.
    System.setProperty("teamexplorer.application", ProductInformation.getProductName()); //$NON-NLS-1$
    LoggingConfiguration.configure();//from  www  .ja v a  2  s.c  om

    final Log log = LogFactory.getLog(ProductInformation.getProductName());

    try {
        ArgumentCollection mainArguments = new ArgumentCollection();

        try {
            mainArguments = ArgumentParser.parse(args, ARGUMENTS,
                    ArgumentParserOptions.ALLOW_UNKNOWN_ARGUMENTS);
        } catch (ArgumentParserException e) {
            console.getErrorStream().println(e.getLocalizedMessage());
            console.getErrorStream().println(getUsage());
            System.exit(ExitCode.FAILURE);
        }

        if (mainArguments.contains("version")) //$NON-NLS-1$
        {
            console.getOutputStream().println(Messages.formatString("Main.ApplicationVersionFormat", //$NON-NLS-1$
                    ProductInformation.getProductName(), ProductInformation.getBuildNumber()));

            return;
        }

        /*
         * Special case "--help command" handling - convert to
         * "help command"
         */
        if (mainArguments.contains("help") && mainArguments.contains("command")) //$NON-NLS-1$ //$NON-NLS-2$
        {
            HelpCommand helpCommand = new HelpCommand();
            helpCommand.setArguments(ArgumentParser.parse(new String[] {
                    ((FreeArgumentCollection) mainArguments.getArgument("command")).getValues()[0] //$NON-NLS-1$                
            }, helpCommand.getPossibleArguments()));

            helpCommand.setConsole(console);
            helpCommand.run();
            return;
        } else if (mainArguments.contains("help") || !mainArguments.contains("command")) //$NON-NLS-1$ //$NON-NLS-2$
        {
            showHelp();
            return;
        }

        // Set the verbosity of the console from the arguments.
        if (mainArguments.contains("quiet")) //$NON-NLS-1$
        {
            console.setVerbosity(Verbosity.QUIET);
        } else if (mainArguments.contains("verbose")) //$NON-NLS-1$
        {
            console.setVerbosity(Verbosity.VERBOSE);
        }

        /*
         * Parse the free arguments into the command name and arguments to
         * pass to it. Add any unmatched arguments that were specified on
         * the command line before the argument. (eg, for
         * "git-tf --bare clone", we parsed the "--bare" as an unmatched
         * argument to the main command. We instead want to add the "--bare"
         * as an argument to "clone".)
         */
        String[] fullCommand = ((FreeArgumentCollection) mainArguments.getArgument("command")).getValues(); //$NON-NLS-1$
        String[] additionalArguments = mainArguments.getUnknownArguments();

        String commandName = fullCommand[0];
        String[] commandArgs = new String[additionalArguments.length + (fullCommand.length - 1)];

        if (additionalArguments.length > 0) {
            System.arraycopy(additionalArguments, 0, commandArgs, 0, additionalArguments.length);
        }

        if (fullCommand.length > 1) {
            System.arraycopy(fullCommand, 1, commandArgs, mainArguments.getUnknownArguments().length,
                    fullCommand.length - 1);
        }

        // Locate the specified command by name
        List<CommandDefinition> possibleCommands = new ArrayList<CommandDefinition>();

        for (CommandDefinition c : COMMANDS) {
            if (c.getName().equals(commandName)) {
                possibleCommands.clear();
                possibleCommands.add(c);
                break;
            } else if (c.getName().startsWith(commandName)) {
                possibleCommands.add(c);
            }
        }

        if (possibleCommands.size() == 0) {
            printError(Messages.formatString("Main.CommandNotFoundFormat", commandName, //$NON-NLS-1$
                    ProductInformation.getProductName()));
            System.exit(1);
        }

        if (possibleCommands.size() > 1) {
            printError(Messages.formatString("Main.AmbiguousCommandFormat", commandName, //$NON-NLS-1$
                    ProductInformation.getProductName()));

            for (CommandDefinition c : possibleCommands) {
                printError(Messages.formatString("Main.AmbiguousCommandListFormat", c.getName()), false); //$NON-NLS-1$
            }

            System.exit(1);
        }

        // Instantiate the command
        final CommandDefinition commandDefinition = possibleCommands.get(0);
        Command command = null;

        try {
            command = commandDefinition.getType().newInstance();
        } catch (Exception e) {
            printError(Messages.formatString("Main.CommandCreationFailedFormat", commandName)); //$NON-NLS-1$
            System.exit(1);
        }

        // Set the console
        command.setConsole(console);

        // Parse the arguments
        ArgumentCollection argumentCollection = null;

        try {
            argumentCollection = ArgumentParser.parse(commandArgs, command.getPossibleArguments());
        } catch (ArgumentParserException e) {
            Main.printError(e.getLocalizedMessage());
            Main.printError(getUsage(command));

            log.error("Could not parse arguments", e); //$NON-NLS-1$
            System.exit(1);
        }

        // Handle the --help argument directly
        if (argumentCollection.contains("help")) //$NON-NLS-1$
        {
            command.showHelp();
            System.exit(0);
        }

        // Set the verbosity of the console from the arguments.
        if (argumentCollection.contains("quiet")) //$NON-NLS-1$
        {
            console.setVerbosity(Verbosity.QUIET);
        } else if (argumentCollection.contains("verbose")) //$NON-NLS-1$
        {
            console.setVerbosity(Verbosity.VERBOSE);
        }

        command.setArguments(argumentCollection);

        System.exit(command.run());

    } catch (Exception e) {
        printError(e.getLocalizedMessage());
        log.warn(MessageFormat.format("Error executing command: {0}", getCommandLine(args)), e); //$NON-NLS-1$
    }
}

---

From source file:com.heliosapm.streams.collector.ds.pool.TestMQPool.java

/**
 * @param args/* w w w.j  a  va  2  s.  c om*/
 */
public static void main(String[] args) {
    try {
        log("Pool Test");
        log(TEST_PROPS);
        JMXHelper.fireUpJMXMPServer(1077);
        final Properties p = Props.strToProps(TEST_PROPS);
        log("Props:" + p);
        final GenericObjectPool<Object> pool = null;//(GenericObjectPool<Object>)PoolConfig.deployPool(p);
        pool.preparePool();
        log("Pool Deployed:" + pool.getNumIdle());
        final List<Object> objects = new ArrayList<Object>();
        for (int i = 0; i < 4; i++) {
            try {
                final Object o = pool.borrowObject();
                log("Borrowed:" + o);
                objects.add(o);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        log("Objects:" + objects.size());
        StdInCommandHandler.getInstance().registerCommand("close", new Runnable() {
            public void run() {
                for (Object o : objects) {
                    pool.returnObject(o);
                }
                objects.clear();
                try {
                    pool.close();
                } catch (Exception ex) {
                    ex.printStackTrace(System.err);
                }
            }
        }).run();
    } catch (Exception ex) {
        ex.printStackTrace(System.err);
    }

}

---

From source file:com.moss.veracity.core.Veracity.java

public static void main(String[] args) throws Exception {

    File log4jConfigFile = new File("log4j.xml");

    if (log4jConfigFile.exists()) {
        DOMConfigurator.configureAndWatch(log4jConfigFile.getAbsolutePath(), 1000);
    }/*  w  w w .j  a v  a 2s.  c o  m*/

    final Log log = LogFactory.getLog(Veracity.class);

    File homeDir = new File(System.getProperty("user.home"));
    File currentDir = new File(System.getProperty("user.dir"));

    List<File> configLocations = new LinkedList<File>();
    configLocations.addAll(Arrays.asList(new File[] { new File("/etc/veracity.config"),
            new File(homeDir, ".veracity.config"), new File(currentDir, "config.xml") }));

    String customConfigFileProperty = System.getProperty("veracity.configFile");
    if (customConfigFileProperty != null) {
        configLocations.clear();
        configLocations.add(new File(customConfigFileProperty));
    }

    File configFile = null;

    Iterator<File> i = configLocations.iterator();
    while ((configFile == null || !configFile.exists()) && i.hasNext()) {
        configFile = i.next();
    }

    LaunchParameters parameters;

    if (!configFile.exists()) {
        if (log.isDebugEnabled()) {
            log.debug("Creating default config file at " + configFile.getAbsolutePath());
        }
        parameters = new LaunchParameters();
        parameters.save(configFile);
    } else {
        if (log.isDebugEnabled()) {
            log.debug("Loading parameters from config file at " + configFile.getAbsolutePath());
        }
        parameters = LaunchParameters.load(configFile);
    }

    parameters.readSystemProperties();

    new Veracity(parameters);
}

---

From source file:com.faces.controller.util.FaceRecognitionUtils.java

public static void main(String[] args) {
    String path = "H:\\MyWork\\facerecognition\\javacv-02385ce192fb\\facerecExample_ORL\\Cambridge_FaceDB\\s42\\";
    List<String> listOfimages = new ArrayList<>();

    File dir = new File(path);

    File[] arrFile = dir.listFiles();
    for (File file : arrFile) {
        listOfimages.add(file.getAbsolutePath());
    }//w  ww . j  a v  a2 s. c  om

    FaceRecognitionUtils utils = new FaceRecognitionUtils();
    utils.storeTraningData(1, listOfimages);

    listOfimages.clear();
    String path1 = "H:\\MyWork\\facerecognition\\javacv-02385ce192fb\\facerecExample_ORL\\Cambridge_FaceDB\\s41\\";
    listOfimages.add(path1 + File.separator + "35.jpg");

    utils.recognizeStudent(1, listOfimages);

}

---

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