CS 7643 QUIZ 1 EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A PLUS.pdf

CS 7643 QUIZ 1 EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A PLUS




Question:
A literal string is called a(n) ____.

Answer:
anonymous object



Question:
In order to use a variable both with a try or catch block and afterward, you must declare the variable
before the ____ block begins.

Answer:
try



Question:
The ____ option must be used when running a program in order to see the results of assert
statements.

Answer:
-ea



Question:
A(n) ____ is a Java language feature that can help you detect logic errors that do not cause a
program to terminate, but nevertheless produce incorrect results.

Answer:
assertion

,Question:
What is the output of the following code: loopCount = 1;while(loopCount < 3){
System.out.println("Hello"); loopCount = loopCount + 1; }

Answer:
Hello Hello



Question:
A ____ chooses among alternative courses of action based on some value within a program.

Answer:
decision structure



Question:
A logical structure called a(n) ____ structure is when one step follows another unconditionally.

Answer:
sequence



Question:
Since the ArrayList class is part of the java.util package, you can use the java.util.*; import
statement to access it.

Answer:
True



Question:
An ArrayList's ____ is the number of items it can hold without having to increase its size.

Answer:
capacity

, Question:
The disadvantage to using the conditional operator is that it ____.

Answer:
can be difficult to read



Question:
Which of the following correctly declares and initializes a String object?

Answer:
String greeting = "Hello";



Question:
Which of the following println statements will display the last myScores element in an array of 10?

Answer:
System.out.println(vals[9]);



Question:
Which Java statement creates a jagged array with six rows?

Answer:
double [][] sales = new double[6][]



Question:
The logical OR operator

Answer:
||



Question: