reverse a list java code example

Example 1: how to reverse a list in java

List<String> stringList = Arrays.asList("A", "B", "C");
    Collections.reverse(stringList);
    assertThat(stringList).containsExactly("C", "B", "A");

Example 2: how to reverse order of arraylist

ArrayList<Integer> arrlist = new ArrayList<Integer>();
//This is how to reverse arrlist's oringinal order.
Collections.reverse(arrlist);

//This is how to sort in a reverse order
 Collections.sort(arrlist, Collections.reverseOrder());

Example 3: Collections reverse on java

//import java.util.Collections;
//create and add items to list
Collectons.reverse(list);

Example 4: reverse array java

// reverse array

for(int i=intArray.length-1;i>=0;i--)
         System.out.print(intArray[i] + "  ");