204  * most cases must be <em>stateless</em>.  Such parameters are always instances

   204  * most cases must be <em>stateless</em>.  Such parameters are always instances

   205  * of a <a href="../function/package-summary.html">functional interface</a> such

   205  * of a <a href="../function/package-summary.html">functional interface</a> such

   206  * as {@link java.util.function.Function}, and are often lambda expressions or

   206  * as {@link java.util.function.Function}, and are often lambda expressions or

   207  * method references.

   207  * method references.

   208  *

   208  *

   210  *

   210  *

   211  * Streams enable you to execute possibly-parallel aggregate operations over a

   211  * Streams enable you to execute possibly-parallel aggregate operations over a

   212  * variety of data sources, including even non-thread-safe collections such as

   212  * variety of data sources, including even non-thread-safe collections such as

   213  * {@code ArrayList}. This is possible only if we can prevent

   213  * {@code ArrayList}. This is possible only if we can prevent

   214  * <em>interference</em> with the data source during the execution of a stream

   214  * <em>interference</em> with the data source during the execution of a stream

   727  * pipelines. Streams based on spliterators with the desired characteristics,

   727  * pipelines. Streams based on spliterators with the desired characteristics,

   728  * or those using the Supplier-based factory forms, are immune to

   728  * or those using the Supplier-based factory forms, are immune to

   729  * modifications of the data source prior to commencement of the terminal

   729  * modifications of the data source prior to commencement of the terminal

   730  * operation (provided the behavioral parameters to the stream operations meet

   730  * operation (provided the behavioral parameters to the stream operations meet

   731  * the required criteria for non-interference and statelessness).  See

   731  * the required criteria for non-interference and statelessness).  See

   733  * for more details.

   733  * for more details.

   734  *

   734  *

   735  * @since 1.8

   735  * @since 1.8

   736  */

   736  */

   737 package java.util.stream;

   737 package java.util.stream;