Q. How will you implement dynamic arrays in Java?

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Q. Which of the following is the correct syntax to declare an ArrayList in Java?

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Q. In what type of dynamic array do you divide the array into two parts?

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Q. What are the advantages of dynamic arrays?

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Q. What is the time complexity for inserting/deleting at the beginning of the array?

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Q. What are parallel arrays?

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Q. What are the advantages of parallel arrays over the traditional arrays?

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Q. What are some of the disadvantages of parallel arrays?

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Q. What is a sorted array?

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Q. To search for an element in a sorted array, which searching technique can be used?

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Q. What are some of the applications of sorted arrays?

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Q. What is the worst case time complexity of inserting an element into the sorted array?

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Q. What is a sparse array?

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Q. When do you use a sparse array?

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Q. What is the difference between a normal(naive) array and a sparse array?

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Q. Suppose the contents of an array A are, A = {1, null, null, null, null, 10};
What would be the size of the array considering it as a normal array and a sparse array?

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Q. What is sparsity of a matrix?

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Q. What are the advantages of sparse matrices over normal matrices?

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Q. What is the order of a matrix?

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Q. Which of the following property does not hold for matrix multiplication?

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