This problem is a variation of the problem swapping two integers without using any temporary variables by XOR. For integers x and y, to swap them using XOR, we do the following. x = x ^ y; y = y ^ x; x = x ^ y; Proof of correctness. y = y ^ (x ^ y) = (y ^ y) ^...
add("practice"); mylist.add("code"); mylist.add("quiz"); mylist.add("geeksforgeeks"); // Print all elements originally System.out.println("Original List : " + mylist); // Using reverse() method to // reverse the element order of mylist Collections.reverse(mylist); // Print ...
Arrays.toString(arr));// Please refer below post for details of asList()// https://www.geeksforgeeks.org/array-class-in-java/Collections.reverse(Arrays.asList(arr)); System.out.println("Modified Array : "+ Arrays.toString(arr)); } } 输出: Original Array : [10, 20, 30, 40, 50]...
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