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publicstaticintminimumAbsoluteDifference(List<Integer>arr){if(arr==null||arr.size()<2){thrownewIllegalArgumentException("Array must contain at least two elements.");}Collections.sort(arr);//System.out.println(arr);intn=arr.size();intminAbsDiff=Integer.MAX_VALUE;for(inti=0;i<n-1;i++){intabs=arr.get(i+1)-arr.get(i);minAbsDiff=Math.min(minAbsDiff,abs);}returnminAbsDiff;}
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Minimum Absolute Difference in an Array
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Java: