public class PhoneNumber {
private int areaCode;
private String prefix;
private String lineNumber;
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + areaCode;
result = prime * result
+ ((lineNumber == null) ? 0 : lineNumber.hashCode());
result = prime * result + ((prefix == null) ? 0 : prefix.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PhoneNumber other = (PhoneNumber) obj;
if (areaCode != other.areaCode)
return false;
if (lineNumber == null) {
if (other.lineNumber != null)
return false;
} else if (!lineNumber.equals(other.lineNumber))
return false;
if (prefix == null) {
if (other.prefix != null)
return false;
} else if (!prefix.equals(other.prefix))
return false;
return true;
}
}