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class Number {
int i;
}
public class MainClass {
public static void main(String[] args) {
Number n1 = new Number();
Number n2 = new Number();
n1.i = 9;
n2.i = 47;
System.out.println("1: n1.i: " + n1.i + ", n2.i: " + n2.i);
n1 = n2;
System.out.println("2: n1.i: " + n1.i + ", n2.i: " + n2.i);
n1.i = 27;
System.out.println("3: n1.i: " + n1.i + ", n2.i: " + n2.i);
}
}
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