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public class A{
private C can;
public A(int age) {
can = new C(age);
}
public C getC(){
return can;
}
public void change(){
can.setAge(15);
can.printAge();
}
public static void main(String[] args) {
new A(10).change();
}
}
class C{
private int age;
public C(int age) {
this.age = age;
}
public void setAge(int age) {
this.age = age;
}
public void printAge() {
System.out.println("AGE : " + age);
}
}