#Java - Code Snippets for '#Enum'

#Java - Code Snippets for '#Enum' - 12 code snippet(s) found

Sample 1. Switch Case with Enum

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public enum State {

   NEVADA, CALIFORNIA, WASHINGTON;

}



public static void method(States stateName) {

 switch (stateName) {

   case NEVADA:

   System.out.println("You are in Nevada");

   break;



   case CALIFORNIA:

   System.out.println("You are in California");

   break;



   case WASHINGTON:

   System.out.println("You are in Washington");

   break;     

 }

}

_{Like Feedback switch case switch case enum switch with enums switch and enums}

Sample 2. Enum with a method to get the constant having specific member element.

public enum JavaFramework {

   SPRING("Spring","Web"),

   STRUTS("Struts","Web"),

   JSF("JSF","View"),

   CRUNCH("Apache Crunch","BigData");

   

        

   public String name;

   public String type;



   JavaFramework(String name, String type){

      this.name = name;

      this.type = type;

   }

   

   static public List<JavaFramework> getByType(String type)  {

      List<JavaFramework> frameworks = new ArrayList();

      for(JavaFramework framework: JavaFramework.values()){

         if(framework.type.equalsIgnoreCase(type)){

            frameworks.add(framework);

         }

      }

      

      return frameworks;

   }

}

_{Like Feedback enum java.util.list}

Sample 3. Initialize maps through static block

public class CoinChanger {

   private static Map<Currency, Integer> cashBox;

   private static Map<Currency, Integer> change;



        enum Currency {

      DOLLAR,QUARTER,DIME,NICKEL,PENNY;

         }



   static {

      cashBox = new TreeMap<Currency, Integer>();

      change = new TreeMap<Currency, Integer>();

      initializeCashBox();

   }



   private static void initializeCashBox(){

      //set the cash box

      cashBox.put(Currency.DOLLAR, 50);

      cashBox.put(Currency.QUARTER, 0);

      cashBox.put(Currency.DIME, 50);

      cashBox.put(Currency.NICKEL, 50);

      cashBox.put(Currency.PENNY, 50);

   }

   }

}

_{Like Feedback static block enum initializing maps initializing treemap}

Sample 4. Enum implementing TemporalField

public enum MyChronoField implements TemporalField {



      NANO_OF_SECOND("NanoOfSecond", NANOS, SECONDS, ValueRange.of(12l,45l));





      private final String name;

       private final TemporalUnit baseUnit;

       private final TemporalUnit rangeUnit;

       private final ValueRange range;

       private final String displayNameKey;



       private MyChronoField(String name, TemporalUnit baseUnit, TemporalUnit rangeUnit, ValueRange range) {

           this.name = name;

           this.baseUnit = baseUnit;

           this.rangeUnit = rangeUnit;

           this.range = range;

           this.displayNameKey = null;

       }



       private MyChronoField(String name, TemporalUnit baseUnit, TemporalUnit rangeUnit,

               ValueRange range, String displayNameKey) {

           this.name = name;

           this.baseUnit = baseUnit;

           this.rangeUnit = rangeUnit;

           this.range = range;

           this.displayNameKey = displayNameKey;

       }

}

_{Like Feedback enum TemporalField java.time.temporal java.timejava.time.temporal.TemporalField}

Sample 5. Internal Implementation of MinguoEra

public enum MinguoEra implements Era {

    BEFORE_ROC,

    ROC;



    public static MinguoEra of(int minguoEra) {

        switch (minguoEra) {

            case 0:

                return BEFORE_ROC;

            case 1:

                return ROC;

            default:

                throw new DateTimeException("Invalid era: " + minguoEra);

        }

    }



    @Override

    public int getValue() {

        return ordinal();

    }



}

_{Like Feedback MinguoEra java.time java.time.chrono internal implementation enum switch throw exception throw}

Sample 6. Initialize member elements ( maps ) using constructor

public class CoinChanger {

   private static Map<Currency, Integer> cashBox;

   private static Map<Currency, Integer> change;



   enum Currency {

      DOLLAR,QUARTER,DIME,NICKEL,PENNY;

         }



   CoinChanger() {

      cashBox = new TreeMap<Currency, Integer>();

      change = new TreeMap<Currency, Integer>();

      initializeCashBox();

   }



   private static void initializeCashBox(){

      //set the cash box

      cashBox.put(Currency.DOLLAR, 50);

      cashBox.put(Currency.QUARTER, 0);

      cashBox.put(Currency.DIME, 50);

      cashBox.put(Currency.NICKEL, 50);

      cashBox.put(Currency.PENNY, 50);

   }

   }

}

_{Like Feedback constructor initializing maps initializing treemap enum}

Sample 7. Usage of EnumMap

Map<Country,String> map = new HashMap();

map.put(Country.US, "Washington");

map.put(Country.CANADA, "Ottawa");

map.put(Country.CANADA, "Ottawa");

map.put(Country.SOUTH_AFRICA, "Pretoria");

map.put(Country.SOUTH_AFRICA, "Cape Town");

map.put(Country.SOUTH_AFRICA, "Bloemfontein");



Map<String,String> enumMap = new EnumMap(map); // Prints {CANADA=Ottawa, US=Washington, SOUTH_AFRICA=Bloemfontein}



System.out.println(enumMap); // Duplicates not allowed as it's a Map, Sorted as per order of Enum Declarations

_{Like Feedback EnumMap Collections framework Map Map with enum keys}

Sample 8. Code Sample / Example / Snippet of org.apache.calcite.adapter.enumerable.PhysType

  public Result implement(EnumerableRelImplementor implementor, Prefer pref) {

    PhysType physType =

        PhysTypeImpl.of(

            implementor.getTypeFactory(),

            getRowType(),

            pref.preferArray());



    if (table instanceof JsonTable) {

      return implementor.result(

          physType,

          Blocks.toBlock(

              Expressions.call(table.getExpression(JsonTable.class),

                  "enumerable")));

    }

    return implementor.result(

        physType,

        Blocks.toBlock(

            Expressions.call(table.getExpression(CsvTranslatableTable.class),

                "project", Expressions.constant(fields))));

  }

_{Like Feedback org.apache.calcite.adapter.enumerable.PhysType}

Sample 9. Code Sample / Example / Snippet of org.apache.calcite.adapter.enumerable.EnumerableLimit

    public void onMatch(RelOptRuleCall call) {

      final EnumerableLimit limit = call.rel(0);

      final RelNode converted = convert(limit);

      if (converted != null) {

        call.transformTo(converted);

      }

    }

_{Like Feedback org.apache.calcite.adapter.enumerable.EnumerableLimit}

Sample 10. Code Sample / Example / Snippet of org.apache.bcel.generic.EnumElementValueGen

    public void testCreateEnumElementValue() throws Exception

    {

        final ClassGen cg = createClassGen("HelloWorld");

        final ConstantPoolGen cp = cg.getConstantPool();

        final ObjectType enumType = new ObjectType("SimpleEnum"); // Supports rainbow

        final EnumElementValueGen evg = new EnumElementValueGen(enumType, "Red", cp);

        assertTrue(

                "The new ElementValue value index should match the contents of the constantpool but "

                        + evg.getValueIndex() + "!=" + cp.lookupUtf8("Red"),

                evg.getValueIndex() == cp.lookupUtf8("Red"));

        checkSerialize(evg, cp);

    }

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Sample 11. Code Sample / Example / Snippet of org.apache.bcel.classfile.LineNumberTable

    public Attribute copy( final ConstantPool _constant_pool ) {

        final LineNumberTable c = (LineNumberTable) clone();

        c.line_number_table = new LineNumber[line_number_table.length];

        for (int i = 0; i < line_number_table.length; i++) {

            c.line_number_table[i] = line_number_table[i].copy();

        }

        c.setConstantPool(_constant_pool);

        return c;

    }

_{Like Feedback org.apache.bcel.classfile.LineNumberTable}

Sample 12. Wait till Page loads in selenium / Web Driver

public void waitTillPageLoads() {



 ExpectedCondition < Boolean > expectedCondition = driver -> ((JavascriptExecutor) driver).executeScript("return document.readyState").toString().equals("complete");

 try {

  WebDriverWait wait = new WebDriverWait(driver, 90);

  wait.until(expectedCondition);

  driver.quit();

 } catch (Exception exception) {



 }

}

_{Like Feedback selenum webdriver}

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