Java Array Exercises: Cyclically rotate a given array clockwise by one
Java Array: Exercise-45 with Solution
Write a Java program to cyclically rotate a given array clockwise by one.
Pictorial Presentation:
Sample Solution:
Java Code:
import java.util.Arrays;
public class Main
{
static int arra[] = new int[]{10, 20, 30, 40, 50, 60};
static void rotate_array()
{
int a = arra[arra.length-1], i;
for (i = arra.length-1; i > 0; i--)
arra[i] = arra[i-1];
arra[0] = a;
}
public static void main(String[] args)
{
System.out.println("Original arraay:");
System.out.println(Arrays.toString(arra));
rotate_array();
System.out.println("Rotated arraay:");
System.out.println(Arrays.toString(arra));
}
}
Sample Output:
Original arraay: [10, 20, 30, 40, 50, 60] Rotated arraay: [60, 10, 20, 30, 40, 50]
Flowchart:
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Java Code Editor:
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Previous: Write a Java program to count the number of possible triangles from a given unsorted array of positive integers.
Next: Write a Java program to check whether there is a pair with a specified sum of a given sorted and rotated array.
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
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