Array -Java Programming MCQ Questions and Answers

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51.
What will be the output of the following Java code?
class array_output 
{
    public static void main(String args[]) 
    {
        char array_variable [] = new char[10];
  for (int i = 0; i < 10; ++i) 
        {
            array_variable[i] = 'i';
            System.out.print(array_variable[i] + "");
        }
    } 
}

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52.
What will be the output of the following Java code?
class multidimention_array 
{
    public static void main(String args[])
    {
        int arr[][] = new int[3][];
        arr[0] = new int[1];
        arr[1] = new int[2];
        arr[2] = new int[3];               
  int sum = 0;
  for (int i = 0; i < 3; ++i) 
      for (int j = 0; j < i + 1; ++j)
                arr[i][j] = j + 1;
  for (int i = 0; i < 3; ++i) 
      for (int j = 0; j < i + 1; ++j)
                sum + = arr[i][j];
  System.out.print(sum); 	
    } 
}

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54.
What will be the output of the following Java code?
class array_output 
{
    public static void main(String args[]) 
    {
        int array_variable[][] = {{ 1, 2, 3}, { 4 , 5, 6}, { 7, 8, 9}};
        int sum = 0;
        for (int i = 0; i < 3; ++i)
            for (int j = 0; j <  3 ; ++j)
                sum = sum + array_variable[i][j];
        System.out.print(sum / 5);
    } 
}

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55.
Which of these is an incorrect Statement?

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