import java.lang.reflect.*;
 
class Foo {
private final String bar;
 
    public Foo(String bar) {
        this.bar = bar;
    }
 
    public String getBar() {
        return this.bar;
    }
 
}
 
public class Main {
 
    public static void main(String[] args) {
        Foo foo = new Foo("foobar");
        System.out.println(foo.getBar());
 
        try {
            Field field = foo.getClass().getDeclaredField("bar");
            field.setAccessible(true);
			field.set(foo, "baz");
        } catch (Exception e) {
            e.printStackTrace();    
        }
 
        System.out.println(foo.getBar());
    }
 
}

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