yello strom

Bubble distribution chart (the larger the circle, the greater the importance), the top 10 big data tools that are most favored are Hadoop, Java, Spark, Hbase, Hive, Python, Linux, Strom, Shell programming, and MySQL. Both Hadoop and Spark are distributed parallel computing frameworks, which now seem to dominate Hadoop and spark is behind, but Spark has a catch-up trend. Hadoop is implemented by Java, so it's not surprising that Java is behind the que

",3), Yello ("Yellow",4); Member variables private String name; private int index; Construction method Private Color (String name, int index) { THIS.name = name; This.index = index; } Common methods Public static String getName (int index) { For (Color c:color.values ()) { if (c.getindex () = = index) { return c.name; } } return null; } Get Set method Public String GetName () { return name; } Public v

　　caseyellow:color=signal.red;　　Break　　casegreen:color=signal.yellow;　　Break }}} Use three: Add a new method to the enumeration if you intend to customize your own method, you must add a semicolon at the end of the enum instance sequence.　　And Java requires that an enum instance be defined first. Java Code publicenumcolor{Red ("Red", 1), green ("green", 2), blank ("white", 3),　　yello ("* * *", 4);　　 Member Variable privatestringname;　　privateintindex;

), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) { if (c.getindex () = = Inde x) { return c.name; }

("green", 2), blank ("white", 3), yello ("yellow", 4 ); // member variable private string name; private int index; // constructor private color (string name, int index) {This. name = Name; this. index = index;} // common method public static string getname (INT index) {for (color C: color. values () {If (C. getindex () = index) {return C. name ;}} return NULL;} // Get Set Method Public String getname () {return name;} public void setname (string name

customize your own method, you must add a semicolon at the end of the enum instance sequence. And Java requires that an enum instance be defined first.public enum Color ( "Red", 1), Green ("green", 2), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method pu

Dk1.5A new type-enumeration is introduced. InJavaAlthough it is a "small" function, it brings great convenience to my development. Usage 1: Constant InJdk1.5Previously, we defined constants:Public static fianl ..... Now, with enumeration, You can group related constants into one Enumeration type, and enumeration provides more methods than constants. Public Enum color {red, green, blank, yellow} Usage 2: Switch The switch statement before jdk1.6 only supports int, Char, and enum types.C

defined first.public enum Color ( "Red", 1), Green ("green", 2), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) {

), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) { if (c.getindex () = = Inde x) { return c.na

), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) { if (c.getindex () = = Inde x) { return c.na

instance be defined first . Java code Public enum Color { Red ("Red", 1), Green ("green", 2), BLANK ("White", 3), Yello ("Yellow", 4); //Member variables private String name; private int index; //Construction method Private Color (String name, int index) { this.name = name; This.index = index; } //Common method public static String getName (int index) { For (Color c:color.values ()) { if (c.getindex () = = index)

), BLANK ("White", 3), Yello ("Yellow", 4); //member Variables PrivateString name; Private intindex; //Construction Method PrivateColor (String name,intindex) { This. Name =name; This. index =index; } //Common Methods Public StaticString GetName (intindex) { for(Color c:color.values ()) {if(C.getindex () = =index) { returnC.name; } } return NULL;

that the enum instance be defined first. Java code Public enum Color { RED ("RED", 1), GREEN ("GREEN", 2), BLANK ("white", 3), YELLO ("yellow", 4 ); // Member variable Private String name; Private int index; // Constructor Private Color (String name, int index ){ This. name = name; This. index = index; } // Common method Public static String getName (int index ){ For (Color c: Color. values ()){ If (c. getIndex () = index ){ Return c.

Usage One: ConstantsBefore JDK1.5, we define constants that are: publicstaticfianl ..... Now, with enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants.Java code Public enum Color { RED, GREEN, BLANK, YELLOW } Usage Two: SwitchThe switch statement before JDK1.6 only supports int,char,enum types, and using enumerations can make our code more readable.Java code Enum Signal { GREEN, YELLOW, RED }

the enum instance sequence. and Java requires that an enum instance be defined first . Java code public enum Color { Red ("Red", 1), Green ("green", 2), BLANK ( "White", 3), Yello ("Yellow", 4); //member variables Private String name; Private int index; //Construction method Private Color (String name, int index) { This . Name = name; This . Index = index; } //Common method p

Usage One: Constants Before JDK1.5, we defined constants as: publicstaticfianl ... Now that you have enumerations, you can group related constants into an enumeration type, and enumerations provide more methods than constants. Java code public enum Color { RED, GREEN, BLANK, Yellow } Usage Two: Switch The switch statement before JDK1.6 only supports the Int,char,enum type, and using enumerations makes our code more readable. Java code Enum Signal { GREEN, yellow, RED

), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) { if (c.getindex () = = Inde x) { return c.na

), BLANK ("White", 3), Yello ("Yellow", 4); Member variable private String name; private int index; Construction Method Private Color (String name, int index) { this.name = name; This.index = index; } Normal method public static String getName (int index) {for (Color c:color.values ()) { if (c.getindex () = = Inde x) { return c.na

be defined first.Java code Public enum Color { Red ("Red", 1), Green ("green", 2), BLANK ("White", 3), Yello ("Yellow", 4); //Member variables private String name; private int index; //Construction method Private Color (String name, int index) { this.name = name; This.index = index; } //Common method public static String getName (int index) { For (Color c:color.values ()) { if (c.getindex () = = index) { return

. RED; break; case GREEN: color = Signal. YELLOW; break ;}}usage 3: Add a new method to enumeration. If you want to customize your own method, you must add a semicolon at the end of the enum instance sequence. In addition, Java requires that the enum instance be defined first. Java code public enum Color {RED ("RED", 1), GREEN ("GREEN", 2), BLANK ("white", 3 ), YELLO ("***", 4); // member variable private String name; private int index; // constructor