Modifying final fields in Java

Question

Let\'s start with a simple test case:

import java.lang.reflect.Field;

public class Test {
  private final int primitiveInt = 42;
  private final Integer wra         


        

Answer 1

There is a work around for this. if you set the value of the private static final filed in the static {} block it will work because it will not inline the fileld:

private static final String MY_FIELD;

static {
    MY_FIELD = "SomeText"
}

...

Field field = VisitorId.class.getDeclaredField("MY_FIELD");

field.setAccessible(true);
field.set(field, "fakeText");