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- public class Challenge {
- public static boolean hasPair(String[] arr) {
- for(int i = 0; i < arr.length; i++) {
- for(int j = i+1; j < arr.length; j++) {
- if(arr[i].equals(arr[j])) {
- return true;
- }
- }
- }
- return false;
- }
- }
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