protection.java

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package p1; 
public class Protection{
int n=1;
private int n_pri=2;
protected int n_pro=3;
public int n_pub=4;
public Protection(){
System.out.println("base constructor");
System.out.println("n="+n);
System.out.println("n_pri="+n_pri);
System.out.println("n_pro="+n_pro);
System.out.println("n_pub="+n_pub);
}
}