Java | final keyword | Question 3
class Main { public static void main(String args[]){ final int i; i = 20; i = 30; System.out.println(i); } } |
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(A) 30
(B) Compiler Error
(C) Garbage value
(D) 0
Answer: (B)
Explanation: i is assigned a value twice. Final variables can be assigned values only one. Following is the compiler error “Main.java:5: error: variable i might already have been assigned”
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