unaryOperator
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FunctionalStaticPL/JAVA 2019. 8. 27. 20:46
1. Overview The term Java functional interface was introduced in Java 8. A functional interface in Java is an interface that contains only a single abstract (unimplemented) method. A functional interface can contain default and static methods which do have an implementation, in addition to the single unimplemented method. 1.1 Without Implementation public interface MyFunctionalInterface { public..