How do you check if an element exists in an array or ArrayList in Java?
A. Use the find() method.
B. Use the search() method.
C. Use the contains() method.
D. Use the exists() method.
Answer: Option C
A. Use the find() method.
B. Use the search() method.
C. Use the contains() method.
D. Use the exists() method.
Answer: Option C
How do you declare a one-dimensional array in Java?
A. int[] myArray;
B. int myArray[];
C. Array
D. All of the above
What is the correct way to initialize a two-dimensional array in Java?
A. int[][] myArray = {{1, 2}, {3, 4}};
B. int[2][2] myArray = {{1, 2}, {3, 4}};
C. int[2][2] myArray; myArray[0][0] = 1; myArray[0][1] = 2; myArray[1][0] = 3; myArray[1][1] = 4;
D. None of the above
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