CSE 2221 Midterm 2 Examination 2025. | Exam Revision Questions And Correct Answers | Graded A+ | 2025 Update |

CSE 2221 Midterm 2 Examination 2025. | Exam Revision Questions And
Correct Answers | Graded A+ | 2025 Update |




mathematical string - ANSWER- part of java contracts; as opposed to Java Strings being a part
of code.


< > in contracts - ANSWER- Javadoc comment for string values
<1, 2, 3, 2>
< 'g' , 'o' >


* in contracts - ANSWER- denote concatenating strings



distinguished formal parameter - ANSWER- labeled using the word "this", parameter not
explicitly said in a method's parameter list (called the receiver in the method body)


is transferFrom or copyFrom more efficient? - ANSWER- transferFrom



primitive types - ANSWER- built into Java, can fit into 64 bits (boolean, char, int, double)



reference types - ANSWER- can't fit into 64 bits, value is a reference(or id) that refers to an
object with a value


reference value - ANSWER- the memory address of the reference type



object value - ANSWER- mathematical value of the object



mutable reference types - ANSWER- reference types for which at least one method can change
the object value of the reference type