diff options
author | Raphael Nascimento <raphaelbn10@gmail.com> | 2015-10-29 12:46:59 -0300 |
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committer | Raphael Nascimento <raphaelbn10@gmail.com> | 2015-10-29 12:46:59 -0300 |
commit | 03ef96b2f11133701a3db64b9133f634a9709e94 (patch) | |
tree | d1aed382f441d9f71e4a1cf7b9891f9fa59bd72c | |
parent | ef9331fa31ab84e5a04ee024ac490b24a6b5c4dc (diff) |
[java/en] Enum Type
-rw-r--r-- | java.html.markdown | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/java.html.markdown b/java.html.markdown index 86b0578e..1813f81c 100644 --- a/java.html.markdown +++ b/java.html.markdown @@ -186,9 +186,9 @@ public class LearnJava { // operations perform as could be expected for a // doubly-linked list. // Maps - A set of objects that map keys to values. Map is - // an interface and therefore cannot be instantiated. - // The type of keys and values contained in a Map must - // be specified upon instantiation of the implementing + // an interface and therefore cannot be instantiated. + // The type of keys and values contained in a Map must + // be specified upon instantiation of the implementing // class. Each key may map to only one corresponding value, // and each key may appear only once (no duplicates). // HashMaps - This class uses a hashtable to implement the Map @@ -450,6 +450,17 @@ class Bicycle { protected int gear; // Protected: Accessible from the class and subclasses String name; // default: Only accessible from within this package + static String className; // Static class variable + + // Static block + // Java has no implementation of static constructors, but + // has a static block that can be used to initialize class variables + // (static variables). + // This block will be called when the class is loaded. + static { + className = "Bicycle"; + } + // Constructors are a way of creating classes // This is a constructor public Bicycle() { @@ -767,7 +778,7 @@ The links provided here below are just to get an understanding of the topic, fee * [Generics](http://docs.oracle.com/javase/tutorial/java/generics/index.html) -* [Java Code Conventions](http://www.oracle.com/technetwork/java/codeconv-138413.html) +* [Java Code Conventions](http://www.oracle.com/technetwork/java/codeconvtoc-136057.html) **Online Practice and Tutorials** |