Does the following class satisfy the Java Hash Code contract? Explain. public class Politician{ String firstName; String lastName; /I...assume other fields and constructors are implemented public...

java

Extracted text: Does the following class satisfy the Java Hash Code contract? Explain. public class Politician{ String firstName; String lastName; /I...assume other fields and constructors are implemented public boolean equals(Object obj) { if (obj this) == return true; if (!(obj instanceof Politician) return false; Politician pol = (Politician)obj; boolean returnVal = (this.firstName+this.lastName).equals(pol.firstName+pol.lastName)); return returnVal; } public int hashCode() { return lastName.hashCode(); //last name is a String, so lastName.hashCode() is defined the String implementation }