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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12.  
  13.         System.out.println(MC.Type.getValue("MInteger").getName());
  14.         System.out.println(MC.Type.getValue("MBoolean").getName());
  15.  
  16.  
  17. 	}
  18. }
  19.  
  20. interface MC {
  21.     public static final Type<Boolean> MBoolean = new Type<>("MBoolean");
  22.     public static final Type<Integer> MInteger = new Type<>("MInteger");
  23.  
  24.     public static class Type<T> {
  25.         private final String name;
  26.         private static final Map<String, Type<?>> types = new HashMap<>();
  27.         static {
  28.             types.put(MBoolean.getName(), MBoolean);
  29.             types.put(MInteger.getName(), MInteger);
  30.         }
  31.         private Type(String name) {
  32.             this.name = name;
  33.         }
  34.  
  35.         public String getName() {
  36.             return name;
  37.         }
  38.  
  39.         public static Type<?> getValue(String name) {
  40.             return types.get(name);
  41.         }
  42.     }
  43. }
Success #stdin #stdout 0.05s 4386816KB
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Standard input is empty
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MInteger
MBoolean
https://ideone.com/cSqTfK
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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