Java | Arrays | Question 2

Predict the output?

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// file name: Main.java
public class Main {
    public static void main(String args[]) {
       int arr[] = {10, 20, 30, 40, 50};
       for(int i=0; i < arr.length; i++)
       {
             System.out.print(" " + arr[i]);              
       }
    }
}

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(A) 10 20 30 40 50
(B) Compiler Error
(C) 10 20 30 40


Answer: (A)

Explanation: It is a simple program where an array is first created then traversed. The important thing to note is, unlike C++, arrays are first class objects in Java. For example, in the following program, size of array is accessed using length which is a member of arr[] object.

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