Java Examples - Rotating Vector

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The following example demonstrates using the swap() function to rotate vectors:

Main.java file

import java.util.Collections; import java.util.Vector; public class Main { public static void main(String[] args) { Vector<String> v = new Vector(); v.add("1"); v.add("2"); v.add("3"); v.add("4"); v.add("5"); System.out.println(v); Collections.swap(v, 0, 4); System.out.println("After rotation"); System.out.println(v); } }

The output of running the above code is:

1 2 3 4 5 
旋转后
5 2 3 4 1

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