Set field value with Reflection

void set(Object obj, Object value): Sets the field value.
void setBoolean(Object obj, boolean z): Sets boolean field value.
void setByte(Object obj, byte b): Sets byte field value.
void setChar(Object obj, char c): Sets char field value.
void setDouble(Object obj, double d): Sets double field value.
void setFloat(Object obj, float f): Sets float field value.
void setInt(Object obj, int i): Sets int field value.
void setLong(Object obj, long l): Sets long field value.
void setShort(Object obj, short s): Sets short field value.


import java.awt.Rectangle;
import java.lang.reflect.Field;

public class Main {

  public static void main(String[] args) {
    Rectangle r = new Rectangle(100, 325);
    Class c = r.getClass();
    try {
      Field heightField = c.getField("height");
      heightField.setInt(r, 1000);
      Integer heightValue = (Integer) heightField.get(r);
      System.out.println("Height: " + heightValue.toString());
    } catch (NoSuchFieldException e) {
      System.out.println(e);
    } catch (SecurityException e) {
      System.out.println(e);
    } catch (IllegalAccessException e) {
      System.out.println(e);
    }
  }
}

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