What are Arrays and their usage in Java Programs?

The video tutorial introduces arrays in Java, explaining their purpose as containers for multiple values of the same data type. It covers how to define, initialize, and retrieve values from arrays, using examples to illustrate these concepts. The tutorial also demonstrates the use of loops to access array elements and emphasizes the importance of understanding array indexing. By the end, viewers should have a clear understanding of how to work with arrays in Java.

What is an array in Java?

• A method to define a single integer

• A container that stores multiple values of different data types

• A single variable that holds one value

• A container that stores multiple values of the same data type

How do you allocate memory for an array in Java?

• By using the 'create' keyword

• By using the 'new' keyword

• By using the 'define' keyword

• By using the 'allocate' keyword

Which of the following is a correct way to declare an array of 10 integers?

• int[] B = new int[10];

• int B = new int[10];

• int B[] = new int;

• int[10] B = new int;

What is the starting index of an array in Java?

• 1

• 0

• 5

• 10

How can you determine the size of an array in Java?

• By using the 'size' method

• By using the 'count' method

• By using the 'capacity' method

• By using the 'length' method

What happens if you try to access an index that is out of bounds in an array?

• The program will ignore the request

• The program will return a default value

• An ArrayIndexOutOfBoundsException will be thrown

• The program will crash

Which method is used to print all elements of an array in a loop?

• System.out.print()

• System.out.println()

• System.out.printAll()

• System.out.printArray()