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CSE 110 Final Questions and Correct Answers
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Which reserved word in Java is used to create an instance of a class ~~ new The relationship between a class and an object is best described as... ~~ objects are instances of classes Which of the following would not be considered an algorithm? pseudocode, shopping list, recipe, computer progra...

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  • August 9, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • cse 110 final questions and correct answers

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CSE 110 Final Questions and
Correct Answers

What are the indexes for the first and last positions of an array called x?


✓✓~~ x[0] and x[x.length-1]




Immediately after instantiating a new array of primitives, what fills the array? What

about an array of objects?


✓✓~~ Primitive: default value fills the array (0 for int, 0.0 for double, false for boolean)




Objects: null fills array




What happens when you try to access an array element past the end of an array?


✓✓~~ An exception of type ArrayIndexOutOfBoundsException is thrown




Instantiate three arrays called x,y,and z of types int, String, and BankAccount,

respectively, all of size 10.


✓✓~~ int[] x = new int[10];
String[] y = new String[10];

BankAccount[] z = new BankAccount[10];

, What is method overloading?


✓✓~~ two methods in the same class that have the same name but different signatures (ex:
int calc(double n1, int n2) and int calc(int 1, int n2))




Use the following full array x:{4,8,5,1,6,3,2}




a. What is the value given by x[1]?

b. What is the value given by x[6]?

c. What is the value given by x[7]?

d. What is the value given by x.length?


✓✓~~ a. 8
b. 2

c. ArrayIndexOutOfBounds

d. 7




Write a for-loop to double each element in the array x given in the aray

x:{4,8,5,1,6,3,2}


✓✓~~ for(int i = 0; i<x.length; i++) {
x[i] *= 2;

}




What is a static variable?

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