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“Write a method” questions

January 27, 2015 Leave a comment Go to comments

Write a method getMin() that takes an int array n as its argument and returns the smallest value in the array [8 marks].

Answer:

int getMin(int[] n){
  int min = n[0];
   for (int i = 0; i < n.length; i++) {
    if (n[i] < min) {
      min = n[i];
    }
  }
  return min;
}
  • 1 mark for correct return type (int)
  • 1 mark for correct argument type (int[])
  • 1 mark for correct initialization of min
  • 1 mark for using a loop
  • 1 mark for setting up for loop correctly (termination condition and increment)
  • 1 mark for correct if condition
  • 1 mark for correct assignment of min
  • 1 mark for correct return value
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