Scala Programming: Remove duplicate elements from an array of integers
Scala Programming Array Exercise-18 with Solution
Write a Scala program to remove duplicate elements from an array of integers.
Sample Solution:
Scala Code:
object Scala_Array {
def main(args: Array[String]): Unit = {
var my_array = Array(0, 0, 3, -2, -2, 4, 3, 2, 4, 6, 7)
//Call the following java class for array operation
import java.util.Arrays;
println("Original Array1 : "+Arrays.toString(my_array));
var no_unique_elements = my_array.length;
//Comparing each element with all other elements
var i=0;
var j=0;
// var j=0;
for (l <- 0 to no_unique_elements-1)
{
j=i+1
// println(i + " "+j)
for (x <- i+1 to no_unique_elements-1)
{
//If any two elements are found equal
if (my_array(i) == my_array(j))
{
//Replace duplicate element with last unique element
my_array(j) = my_array(no_unique_elements-1);
no_unique_elements = no_unique_elements-1;
j=j-1
}
j=j+1
}
i=i+1
}
//Copying only unique elements of unique_array into array1
//Use the Java class for array operation
var unique_array = Arrays.copyOf(my_array, no_unique_elements);
println("New array without duplicates: "+Arrays.toString(unique_array));
}
}
Sample Output:
Original Array1 : [0, 0, 3, -2, -2, 4, 3, 2, 4, 6, 7] New array without duplicates: [0, 7, 3, -2, 4, 2, 6]
Scala Code Editor :
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