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Questions and Answers
What is the correct syntax to declare and create a one-dimensional array of integers?
What is the correct syntax to declare and create a one-dimensional array of integers?
- int[] arr = new int;
- int arr = new int[15];
- int arr = new int[15];
- int[] arr; arr = new int[15]; (correct)
What can be the type of elements in an array?
What can be the type of elements in an array?
- Neither primitives nor objects
- Only objects
- Either primitives or objects (correct)
- Only primitives
What is the term for the variables in an array?
What is the term for the variables in an array?
- Components (correct)
- Variables
- Items
- Elements
What happens when you create a new array?
What happens when you create a new array?
How do you create an array of Strings and store 5 Strings in it?
How do you create an array of Strings and store 5 Strings in it?
What is the term for the number of components an array has?
What is the term for the number of components an array has?
What is the type of data stored in an array?
What is the type of data stored in an array?
What is the syntax to refer to an array element?
What is the syntax to refer to an array element?
What happens when an array is passed as a parameter to a function?
What happens when an array is passed as a parameter to a function?
How are arrays instantiated in a program?
How are arrays instantiated in a program?
What is the index of the last element in an array with 15 elements?
What is the index of the last element in an array with 15 elements?
What is the result of arr[k % j] if k is 7 and j is 5?
What is the result of arr[k % j] if k is 7 and j is 5?
What is the purpose of the 'length' variable in an array?
What is the purpose of the 'length' variable in an array?
What happens when you initialize an array without assigning initial values?
What happens when you initialize an array without assigning initial values?
What is the syntax to initialize an array with initial values in Java?
What is the syntax to initialize an array with initial values in Java?
How do you refer to the elements of an array?
How do you refer to the elements of an array?
What is the default value of an uninitialized integer array in Java?
What is the default value of an uninitialized integer array in Java?
How do you declare an array of objects in Java?
How do you declare an array of objects in Java?
