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Sunny_sXe [5.5K]
2 years ago
13

Which of the following correctly declares and initializes a Scanner object that will use input from the keyboard as its data sou

rce? *
1. Scanner keyboard = new (System.in);
2. Scanner keyboard = new Scanner (keyboard);
3. Scanner = new Scanner(System.in);
4. Scanner keyboard = new Scanner (System.in);
Computers and Technology
2 answers:
zepelin [54]2 years ago
5 0
Option 4 is correct.........
Norma-Jean [14]2 years ago
5 0

Answer:

it 4

Explanation:

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If that code fragment is put under a main() function and then it will yield the above output. According to the function something(), only changes in value second parameter will be reflected and first will be unchanged because second is passed by reference and the first one is passed as value so only address of 's' is passed, so, only its value is changed and the rest are same.

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