java 8 functional programming

The GetAddress method is similar to gethostaddress, where the only difference is that the Gethostaddress method returns an IP address in the form of a string, and the GetAddress method returns an IP address in the form of a byte array. the GetAddress method is defined as follows:Public byte[] GetAddress ()The byte array returned by this method is signed. The value range of byte type in Java is -128?127. If a byte of the returned IP address is an integ

continuation. // TODO 23.4.2 advantages of functional programming Unit Test Every symbol in strictly functional programming is a reference to the direct amount or expression result, without the function side effects. Because the value has never been modified somewhere, and no function has modified the amount outsi

Java Interface Programming (8) ------ combo box (drop-down list) This article is my learning notes, welcome to reprint, but please note the Source: http://blog.csdn.net/jesson20121020 Similar to the function of a group of single-choice buttons, a combo (drop-down list) forces users to select only one possible element from a group. However, this method is more com

concise declarative programming style and rich language expressiveness, and its emphasis on immutability and "No side effects" function also makes the program easier to write, thus further liberating the programmer's productivity, so that "yards farmers" can save more time to drink coffee, Do something more creative. This is one of the main reasons why the technical community is so vocal about adding lambda expression support to

code(2) Java Virtual machine (bytecode interpreter) interprets byte code executionIt can also be understood that there are two possibilities for compiling:(1) for compiled languages: Compile is the source code to be able to act on the real machine instructions, the generated language is directly on the hardware(2) For dynamic language: Compile is to compile the source code into an intermediate form, such as bytecode, bytecode is not the hardware, but

direct amount or expression result, without the function side effects. Because the value has never been modified somewhere, and no function has modified the amount outside its scope and is used by other functions (such as class members or global variables ). This means that the result of function evaluation is only the return value, and the only parameter that affects the return value is the function parameter.This is wet dream in the unit tester's dream ). For each function in the tested progr

called, blockName (para) is like this. Therefore, we infer that the run (para) and eat (para) Methods certainly return a Block and a Block with a parameter. So how can I explain the call method through "point? The point is actually to call the getter method, so the run and eat methods have no parameters, and there is only one returned Block value. In addition, if you can continue, what does it mean? Block also has a return value, and the type of the return value is the type of the current objec

Functional programming languages Functional programming languages are those that facilitate the use of functional programming paradigms. In short, if you have the features you need for functi