public class DuplicateValInArray{
public static void main(String args[]){
String arr [] = {"abc", "def", "ghi", "abc", "jkl","mno", "def"};
for(int i=0; i<arr.length;i++){
for(int j=i+1; j<arr.length;j++){
if(arr[i].equals(arr[j]) && i!=j){
System.out.println("Duplicate element is "+arr[i]);
}
}
}
}
}
