Return the referenced entry, or {@code null} if the entry is no longer available.

Returns name of lock @return name

Assert that an object is not {@code null}. <pre class="code">Assert.notNull(clazz, "The class must not be null");</pre> @param object the object to ch

Add a new entry with the specified value. @param value the value to add

Sets the bit at the specified index to {@code true}. @param source @param bitIndex [0, 31] @return

Locks to prevent both puts and takes.

Unlocks to allow both puts and takes.

<p>Checks if a CharSequence is not empty ("") and not null.</p> <pre> StringUtils.isNotEmpty(null) = false StringUtils.isNotEmpty("") = f

<p>Checks if a CharSequence is empty ("") or null.</p> <pre> StringUtils.isEmpty(null) = true StringUtils.isEmpty("") = true StringUtils.

Builds a RateLimiterConfig @return the RateLimiterConfig

java.util.Date

Returns a builder to create a custom RateLimiterConfig using specified config as prototype @param prototype A {@link RateLimiterConfig} prototype. @r

Determine if the given objects are equal, returning {@code true} if both are {@code null} or {@code false} if only one is {@code null}. <p>Compares ar

便捷方法

Links node at end of queue. @param node the node

Returns the value of the bit with the specified index. The value is {@code true} if the bit with the index {@code bitIndex} is currently 1; otherwise,

Assert a boolean expression, throwing an {@code IllegalArgumentException} if the expression evaluates to {@code false}. <pre class="code">Assert.isTru

Determines a true or false value for the given character.

Splits {@code sequence} into string components and makes them available through an {@link Iterator}, which may be lazily evaluated. If you want an eag

转换为毫秒 @param time @param unit @return

get class loader @param cls @return class loader

Return a {@link Reference} to the {@link Entry} for the specified {@code key}, or {@code null} if not found. @param key the key (can be {@code null})

Determine whether the given object is an array: either an Object array or a primitive array. @param obj the object to check

Check if the right-hand side type may be assigned to the left-hand side type, assuming setting by reflection. Considers primitive wrapper classes as a

产生 [min, max) 范围内的随机数 @param min @param max @return

Restructure the underlying data structure when it becomes necessary. This method can increase the size of the references table as well as purge any re

Signals a waiting put. Called only from take/poll.

Assert a boolean expression, throwing an {@code IllegalStateException} if the expression evaluates to {@code false}. <p>Call {@link #isTrue} if you wi

Removes a node from head of queue. @return the node