Use reflection to get console char set

         

 
 
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import static java.lang.System.out;

import java.io.Console;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.nio.charset.Charset;

public class ConsoleCharset {
  public static void main(String... args) {
    Constructor[] ctors = Console.class.getDeclaredConstructors();
    Constructor ctor = null;
    for (int i = 0; i < ctors.length; i++) {
      ctor = ctors[i];
      if (ctor.getGenericParameterTypes().length == 0)
        break;
    }

    try {
      ctor.setAccessible(true);
      Console c = (Console) ctor.newInstance();
      Field f = c.getClass().getDeclaredField("cs");
      f.setAccessible(true);
      out.format("Console charset         :  %s%n", f.get(c));
      out.format("Charset.defaultCharset():  %s%n", Charset.defaultCharset());

      // production code should handle these exceptions more gracefully
    } catch (InstantiationException x) {
      x.printStackTrace();
    } catch (InvocationTargetException x) {
      x.printStackTrace();
    } catch (IllegalAccessException x) {
      x.printStackTrace();
    } catch (NoSuchFieldException x) {
      x.printStackTrace();
    }
  }
}

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Use reflection to get console char set : Class « Reflection « Java

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