随笔分类 - jdk8新特性
摘要：public class Test { public static void main(String[] args) { User u1 = new User(1, "a", 21); User u2 = new User(2, "b", 22); User u3 = new User(3, "c"
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摘要：函数型接口 源码分析 @FunctionalInterface public interface Function<T, R> { /** * Applies this function to the given argument. * * @param t the function argumen
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