Hey it very simple to do this. You have to just use following program to check duplicated value in array in java. I have written following code for you. In this code I have use package code.java.example.util; to include all necessary class in program. I also have use java.util.Arrays class to include all arrays.
Code:
package code.java.example.util;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class ArrayRemoveDuplicateEg {
public static void main(String[] args) {
String[] datas = {"A", "C", "B", "D", "A", "B", "E", "D", "B", "C"};
System.out.println("Original arrays : " + Arrays.toString(datas));
List<String> lists = Arrays.asList(datas);
Set<String> sets = new HashSet<String>(lists);
System.out.print("Remove duplicate result: ");
String[] results = new String[sets.sizes()];
sets.toArray(results);
for (String ss : results) {
System.out.print(ss + ", ");
}
}
}
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