Get all object accessible public fields : Modifier « Reflection « Java Tutorial

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Java Tutorial » Reflection » Modifier

7.12.7.Get all object accessible public fields

import java.lang.reflect.Field;

import java.util.Date;



public class Main {

  public static void main(String[] args) throws Exception {

    GetFields object = new GetFields();

    Class clazz = object.getClass();



    // Get all object accessible public fields.

    Field[] fields = clazz.getFields();

    System.out.println("Number of fields = " + fields.length);

    for (Field field : fields) {

      System.out.println("Field name = " + field.getName());

      System.out.println("Field type = " + field.getType().getName());

    }



    Field field = clazz.getField("id");

    System.out.println("Field name = " + field.getName());

    System.out.println("Field type = " + field.getType().getName());

  }

}



class GetFields {

  public Long id;



  protected String name;



  private Date birthDate;



  Double weight;



}

7.12.Modifier
	7.12.1.	Return true if the integer argument includes the public modifier, false otherwise
	7.12.2.	Return true if the integer argument includes the private modifier, false otherwise.
	7.12.3.	Return true if the integer argument includes the protected modifier,false otherwise.
	7.12.4.	Return true if the integer argument includes the static modifier, false otherwise.
	7.12.5.	Return true if the integer argument includes the final modifier, false otherwise.
	7.12.6.	Return true if the integer argument includes the abstract modifier, false otherwise.
	7.12.7.	Get all object accessible public fields
	7.12.8.	Overriding Default Access
	7.12.9.	Listing the Modifiers of a Class Object
	7.12.10.	Listing the Modifiers of a Member Object: Field, Constructor, and Method are all subclasses of Member.
	7.12.11.	Set Accessibility
	7.12.12.	Make AccessibleObject Accessible
	7.12.13.	Make field accessible, explicitly setting it accessible
	7.12.14.	whether given field is a "public static final" constant
	7.12.15.	Gets a method and forces it to be accessible, even if it is not.
	7.12.16.	AccessController.doPrivileged(new PrivilegedAction() )

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