/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Aaa {
	Bbb reference;
 
	public Aaa (Bbb reference) {
		this.reference = reference;
	}
}
 
class Bbb {
	int a = 10;
}
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Bbb objectB = new Bbb();
		Aaa objectA = new Aaa(objectB);
		objectA.a = 14;
	}
}

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