Java Array getDouble() Method

The getDouble() method of Array class returns the value of the indexed component in the specified array object, as a double.

Syntax

public static double getDouble(Object array,  int index)
                        throws IllegalArgumentException,
                               ArrayIndexOutOfBoundsException

Parameter

array - the array

index - the index

Returns

the value of the indexed component in the specified array

Throws

NullPointerException

IllegalArgumentException

ArrayIndexOutOfBoundsException -

Example 1

  //import statement

import java.lang.reflect.Array; 
public class ReflectArraygetDoubleExample1 { 
    public static void main(String[] args) 
    { 
        double arr[] = { 1.9, 2.7, 3.9 };  
        for (int i = 0; i < arr.length; i++) { 
  
            double vl = Array.getDouble(arr, i); 
            System.out.print(vl + "  , "); 
        } 
    } 
} 

Test it Now

Output:

1.9  , 2.7  , 3.9  ,

Example 2

import java.lang.reflect.Array;

public class ReflectArraygetDoubleExample2 {
  public static void main (String args[]) {
    double[] arr = new double[]{1.1,2.2,3.3};
   
    double value = Array.getDouble(arr, 1);

    System.out.println(value);
  }
}

Test it Now

Output: