java 8 book

;}} Class Zi extends Fu{int num = 5;void Show () {System.out.println (num+ "..." +super.num+ "..." +super.getmoney ());}} public class Test5 {public static void main (string[] args) {Zi z = new Zi (); Z.show ();}}6. Features of member functions in the child parent class:Package com.date8;/** * Second, member function features in child parent class * 1. When there is a member function with the same name in the child parent class, the subclass overrides the parent class * 2. The following Eat met

Java 8 only needs one line of code to read a fileJava 8 only needs to introduce a new file operation class java in one line of code JDK7. nio. file. file, which contains many useful methods to operate files, such as checking whether the File is a hidden File or whether the File is a read-only File. Developers can also

Some time before the interview, an interviewer asked me 8 kinds of basic data types is what, this is a good answer, and then asked me why these 8 is the basic data type, and other what is different, ask me a face.Recently read the book "Deep understanding of the characteristics of the JVM," I think I found the answer, the so-called

Java 8 of the eight new features Chszs, not allowed to reprint without the Bo master. Permitted reprint must indicate author and blog homepage: http://blog.csdn.net/chszs1, interface default method and static methodJava 8 introduces new features in terms of interfaces.Prior to Java version

New features in Java 8Java 8 (also known as JDK 1.8) is a major version of Java language development. Oracle Corporation released Java 8 on March 18, 2014, which supports functional programming, new JavaScript engines, new date APIs, new stream APIs, and more. New feat

installed ). Problem Analysis: the engineering codes in myeclipse and eclipse are UTF-8. the Windows encoding GBK and Linux encoding are UTF-8 by default when no exception occurs, however, after installing some packages related to the system environment, I have some doubts about UTF-8 encoding. the final UTF-8 enc

to uninstall the JDK version and install the latest JDK version, you should tell your system where Java has permissions to execute.The default JDK installation path is/usr/java/jdk1.8.0_25/, which is where Java executes, and we should be running one by one and the following commands.alternatives --install /usr/bin/java