Invalid Java code showing a class accessing the private member of another class in the same package

IndependentProtectedClass.java

/**
 * 
 */
package tPrivateProtected;

/**
 * @author hilton
 *
 */
public class IndependentProtectedClass {
	protected int protectedMember;
	protected IndependentProtectedClass() {
		protectedMember = 1;
	}
	
	protected int sum(IndependentPrivateClass ipec) {
		return protectedMember + ipec.privateMember;
	}
}