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/**
 * 使用如下命令运行：
 * java -XX:+UseBiasedLocking //开启偏向锁，如果关闭用 -XX:-UseBiasedLocking
 * -XX:+UnlockDiagnosticVMOptions //打开诊断模式，才能使用PrintBiasedLockingStatistics打印偏向锁信息
 * -XX:+PrintBiasedLockingStatistics//在C1中打印偏向锁信息
 * -XX:TieredStopAtLevel=1 //设置JIT编译器为C1
 * -XX:BiasedLockingStartupDelay=0 //关闭偏向锁启动延时，jdk6有4秒延时，4秒内用lightweight,4秒后才开始启动biased lock
 * BiasedLockAndHashCodeTest
 */
public class BiasedLockAndHashCodeTest {

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|----------------------------------------------------------------------------------------|--------------------|
|                                    Object Header (64 bits)                             |        State       |
|-------------------------------------------------------|--------------------------------|--------------------|
|                  Mark Word (32 bits)                  |      Klass Word (32 bits)      |                    |
|-------------------------------------------------------|--------------------------------|--------------------|
| identity_hashcode:25 | age:4 | biased_lock:1 | lock:2 |      OOP to metadata object    |       Normal       |
|-------------------------------------------------------|--------------------------------|--------------------|
|  thread:23 | epoch:2 | age:4 | biased_lock:1 | lock:2 |      OOP to metadata object    |       Biased       |
|-------------------------------------------------------|--------------------------------|--------------------|
|               

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<?php
phpinfo();
?>

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pragma solidity ^0.4.0;
contract Counter{
    uint public count=10;
    function inc(uint num) public returns (uint){
        return count+=num;
    }
}
contract CallCounter{
    uint public count=20;
    function callByAddr(address addr) public returns(uint){

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public class FreemarkerModelInterceptor implements HandlerInterceptor {

    private static final Logger logger = LoggerFactory.getLogger(FreemarkerModelInterceptor.class);

    private Map<String, String> utilClasses;

    private TemplateHashModel staticModels;

    public FreemarkerModelInterceptor() {
        BeansWrapperBuilder builder = new BeansWrapperBuilder(Configuration.VERSION_2_3_26);

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        List<? extends Number> extendsList = null;
        List<? super Number> superList = null;

        List<Object> objList = null;
        List<Number> numberList = null;
        List<Integer> integerList = null;

        //extendsList=objList; //compile error
        extendsList = numberList;
        extendsList = integerList;

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class A<T extends Comparable & List> {

    public void test(T t) {
        t.add("cc");
    }
}

public class Test {

    public static void main(String[] args) {

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DateTime dateTime = DateTime.now().plusSeconds(2);
        Supplier<String> supplier = Suppliers.memoizeWithExpiration(() -> {
            DateTime now = DateTime.now();
            if (now.getSecondOfDay() == dateTime.getSecondOfDay()) {
                throw new RuntimeException("haha~~" + now.toString("yyyy-MM-hh HH:mm:ss"));
            }
            return "time:" + now.toString("yyy-MM-dd HH:mm:ss");
        }, 1, TimeUnit.SECONDS);
        for (int i = 0; i < 10; i++) {
            try {

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<component name="InspectionProjectProfileManager">
  <profile version="1.0">
    <option name="myName" value="JD_PLT_EXT" />
    <inspection_tool class="LoggerInitializedWithForeignClass" enabled="false" level="WARNING" enabled_by_default="false">
      <option name="loggerClassName" value="org.apache.log4j.Logger,org.slf4j.LoggerFactory,org.apache.commons.logging.LogFactory,java.util.logging.Logger" />
      <option name="loggerFactoryMethodName" value="getLogger,getLogger,getLog,getLogger" />
    </inspection_tool>
    <inspection_tool class="MissortedModifiers" enabled="true" level="WARNING" enabled_by_default="true">
      <option name="m_requireAnnotationsFirst" value="true" />
    </inspection_tool>

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<code_scheme name="JD_PLT_EXT_codeStyle">
  <option name="LINE_SEPARATOR" value="&#xA;" />
  <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100" />
  <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="100" />
  <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
    <value />
  </option>
  <option name="IMPORT_LAYOUT_TABLE">
    <value>
      <package name="" withSubpackages="true" static="true" />