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Java Array Manipulation and Iteration Quiz

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Java Array Manipulation and Iteration Quiz

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Questions and Answers

How do you identify the length of a Java array?

Using the length() method (correct)

Accessing the 'size' attribute of the array

Determining the number of rows in the array

Counting the number of elements in the array

In Java, how do you change the value of an element in an array using its index number?

arrayName.set(index, newValue);

modify(arrayName, index, newValue);

newValue = arrayName.get(index);

arrayName[index] = newValue; (correct)

What is the correct way to access the value of an element in a Java array using the index number?

fetchValue(arrayName, index);

arrayName[index]; (correct)

get(arrayName, index);

arrayName.getElement(index);

Which of the following is a correct way to iterate through elements in a single-dimensional Java array?

<p>Using a 'for' loop with the index as the control variable</p> Signup and view all the answers

What happens if you try to access an index outside the bounds of a Java array?

<p>It will result in an ArrayIndexOutOfBoundsException</p> Signup and view all the answers

Java Array Manipulation and Iteration Quiz

Choose a study mode

Podcast

Questions and Answers

How do you identify the length of a Java array?

In Java, how do you change the value of an element in an array using its index number?

What is the correct way to access the value of an element in a Java array using the index number?

Which of the following is a correct way to iterate through elements in a single-dimensional Java array?

What happens if you try to access an index outside the bounds of a Java array?

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