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Questions and Answers
How do you identify the length of a Java array?
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?
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?
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?
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?
What happens if you try to access an index outside the bounds of a Java array?
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