Call private method : Method « Reflection « Java

1. Java
2. Reflection
3. Method

Call private method

        

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import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

class AnotherClass {
  private void m() {
  }
}

public class MethodTroubleAgain {
  public static void main(String... args) {
    AnotherClass ac = new AnotherClass();
    try {
      Class<?> c = ac.getClass();
      Method m = c.getDeclaredMethod("m");
      // m.setAccessible(true); // solution
      Object o = m.invoke(ac); // IllegalAccessException

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

   
    
    
    
    
    
    
    
  

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