/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.lang.reflect.Field;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
 
	public static void test(String x) throws java.lang.Exception{
		Field f = x.getClass().getDeclaredField("value"); 
		f.setAccessible(true); 
		String o = "B";
		f.set(x, o.toCharArray()); 
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
		String v = new String("A");
 
		System.out.println(v.hashCode());
		test(v);
		String o = new String("B");
 
		System.out.println(v);
		System.out.println(v.hashCode());
		System.out.println(o);
		System.out.println(o.hashCode());
 
	}
}

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