Minimum value in an array.

 
public class Main {
  public static long min(long[] array) {

      if (array == null) {
          throw new IllegalArgumentException("The Array must not be null");
      } else if (array.length == 0) {
          throw new IllegalArgumentException("Array cannot be empty.");
      }

      // Finds and returns min
      long min = array[0];
      for (int i = 1; i < array.length; i++) {
          if (array[i] < min) {
              min = array[i];
          }
      }

      return min;
  }

}
  

 
public class Main {
  public static int min(int[] array) {

      if (array == null) {
          throw new IllegalArgumentException("The Array must not be null");
      } else if (array.length == 0) {
          throw new IllegalArgumentException("Array cannot be empty.");
      }

      // Finds and returns min
      int min = array[0];
      for (int j = 1; j < array.length; j++) {
          if (array[j] < min) {
              min = array[j];
          }
      }

      return min;
  }


}
  

 
public class Main {
  public static short min(short[] array) {
      if (array == null) {
          throw new IllegalArgumentException("The Array must not be null");
      } else if (array.length == 0) {
          throw new IllegalArgumentException("Array cannot be empty.");
      }

      // Finds and returns min
      short min = array[0];
      for (int i = 1; i < array.length; i++) {
          if (array[i] < min) {
              min = array[i];
          }
      }
      return min;
   }
}