Cse 2221 Midterm 2 | 215 Questions With 100% Correct Answers | Verified | Latest Update 2024

Uninitialized reference variable {Ans: A reference variable which has been created but hasn't been assigned a value}Reference types {Ans: All other types, refers to a location in memory which points to an object}Object value {Ans: The actual value of a reference type}.copyFrom() {Ans: Copies values not references}That stupid-****ing divideBy2() method {Ans: private static void divideBy2(NaturalNumber n) { if (!n.isZero()) { int ones = n.divideBy10(); int tens = n.divideBy10(); int digit = 0; n.multiplyBy10(tens); if (tens % 2 != 0) { digit = ones / 2 + 5; } else { digit = ones / 2; } divideBy2(n); n.multiplyBy10(digit); } }}Post-condition {Ans: characterizes the responsibility of the program that implements the method (the implementer)}Test case {Ans: The individual test for a method}Implements {Ans: If a class implements an interface then it contains the method bodies for the behaviors specified in the interface}Object type/Dynamic type {Ans: The second name in the declaration (NaturalNumber2)}private static boolean pal(String s) { // Flag boolean if (the string is one character/empty) { //then it's a palindrome } else { //take the first char out //take the last char out if (they match) { //check whether the rest