So you should pass it a lambda expression that takes two inputs as argument: the key and the value: map.forEach((key, value) ... ... <看更多>

This is a series of java 8 features. In this video, lets learn to iterate a Map using forEach of java 8. We will iterate a list of Strings ... ... <看更多>

Nested For-Loops or invocations of forEach commonly used to iterate over all ... Java 8, Lambda, Loop ... orders.stream() .map(Order::getOrderItems) . ... <看更多>

forEach (...) I think the peek() version is clearer, and the lambda is clearly mutating, so there's no "mysterious" side effect. ... <看更多>