We often use the same methods over and over again. To make it easier to reuse these, we create utility classes which are a collection of useful methods centered around a common theme. For example, ...
System.out.println("Can nums1 be sorted? " + obj.canSortArray(nums1)); // Expected output: true System.out.println("Can nums2 be sorted? " + obj.canSortArray(nums2 ...
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