Java Array Exercises: Find the duplicate values of an array of integer values
Java Array: Exercise-12 with Solution
Write a Java program to find the duplicate values of an array of integer values.
Pictorial Presentation:
Sample Solution:
Java Code:
import java.util.Arrays;
public class Exercise12 {
public static void main(String[] args)
{
int[] my_array = {1, 2, 5, 5, 6, 6, 7, 2};
for (int i = 0; i < my_array.length-1; i++)
{
for (int j = i+1; j < my_array.length; j++)
{
if ((my_array[i] == my_array[j]) && (i != j))
{
System.out.println("Duplicate Element : "+my_array[j]);
}
}
}
}
}
Sample Output:
Duplicate Element : 2 Duplicate Element : 5 Duplicate Element : 6
Flowchart:
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Java Code Editor:
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
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