Java 多线程 简单例子

因为工作需要，需要在同一时间执行多次某个操作，看看是否会引起数据的deadlock文件。

多线程具体执行类

package com.ericyang.test.cmdline; import java.util.List; import java.text.SimpleDateFormat; import java.text.DateFormat; import java.util.Date; class ThreadClass extends xxxTestBase implements Runnable{ private static String[] Import_args; public ThreadClass(String[] args){ Import_args = args; } public void run() { SimpleDateFormat bartDateFormat = new SimpleDateFormat("EEEE-MMMM-dd-yyyy"); DateFormat shortDateFormat = DateFormat.getDateTimeInstance( DateFormat.SHORT, DateFormat.SHORT); Date date = new Date(); System.out.println(bartDateFormat.format(date)); System.out.println("Thread starting time:"+shortDateFormat.format(date)); try { runCmd(Import_args); }catch (Exception ex) { System.out.println(ex.getMessage()); } System.out.println("Thread ending time:"+shortDateFormat.format(date)); } }

/*xxxTestBase 是我的一个执行基类，它有函数 runCmd(Import_args);可以具体执行一些命令行操作*/
/** * ConcurrentExecClass.java version 1.0 March 5, 2010 */ package com.ericyang.test.cmdline; import com.ericyang.test.cmdline.ThreadClass; /* * @author Eric Yang * */ public class ConcurrentBfimortProjEnvFltFullTest extends xxxTestBase { private static final String IMPORT_FILE = TestConstants.BF_TEST_SRC_DIR + "/etc/bf7112_auto_bf_p_I_f_e_01.xml"; private static final String IMPORT_FILE2 = TestConstants.BF_TEST_SRC_DIR + "/etc/bf7112_auto_bf_p_env_05.xml"; private static final String IMPORT_FILE3 = TestConstants.BF_TEST_SRC_DIR + "/etc/bf7112_flt_include4.xml"; private static ExecutionResults execResults = null; /** * This method will perform any type of * set up. * * @throws Exception Any kind of exception */ public void runMultiCmd() throws Exception { String[] args = {"-U", "yq", "-P", "qq", "-x", IMPORT_FILE, "-p", "-I", "-e", "-f"}; ThreadClass t = new ThreadClass(args); Thread thread = new Thread(t); thread.start(); String[] args2 = {"-U", "yq1", "-P", "qq", "-x", IMPORT_FILE2, "-p",}; ThreadClass t2 = new ThreadClass(args2); Thread thread2 = new Thread(t2); thread2.start(); String[] args3 = {"-U", "yq2", "-P", "qq", "-x", IMPORT_FILE3, "-p",}; ThreadClass t3 = new ThreadClass(args3); Thread thread3 = new Thread(t3); thread3.start(); } }

每个需要多线程执行类似的命令行的都可以以上方式执行。