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Answer :
The answer is the value of the element at index 2, which is 20.
What is the output of `System.out.println(arr[2]);` with the array `int[] arr = {12, 15, 20, 25, 30, 45};`?
The statement System.out.println(arr[2]); is used to print the value of the element at index 2 in the array arr to the console.
In the given array arr = {12, 15, 20, 25, 30, 45}, the element at index 2 is 20.
The index of an array starts at 0, so arr[2] refers to the third element in the array.
Since the element at index 2 is 20, executing the statement System.out.println(arr[2]); will output 20 to the console.
The System.out.println() function is a standard Java method used to print the specified value to the console and adds a new line character at the end.
when the given statement is executed, it will output the value 20 as a result.
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