新版本的变更 / Java 10
Local variable type inference: var
var in loops and try-with-resources
Where var cannot be used
Immutable copy of a collection
Collecting a stream into an immutable collection
Optional.orElseThrow without arguments
Transferring a character stream
Transferring a character stream
此示例属于完整版，可在应用商店购买：
Java Recipes
App Store
Code Recipes
App Store
已经购买？登录您的账户