Answers for "reverse int array java"

13

reverse array in java

int length = array.length;
		for(int i=0;i<length/2;i++) {
			int swap = array[i];
			array[i] = array[length-i-1];
			array[length-i-1] = swap;
		}
or
Collections.reverse(Arrays.asList(array));
Posted by: Guest on May-10-2020
0

java code to reverse an array

public class ReverseArray {  
    public static void main(String[] args) {  
        //Initialize array  
        int [] arr = new int [] {1, 2, 3, 4, 5};  
        System.out.println("Original array: ");  
        for (int i = 0; i < arr.length; i++) {  
            System.out.print(arr[i] + " ");  
        }  
        System.out.println();  
        System.out.println("Array in reverse order: ");  
        //Loop through the array in reverse order  
        for (int i = arr.length-1; i >= 0; i--) {  
            System.out.print(arr[i] + " ");  
        }  
    }  
}
Posted by: Guest on April-03-2021
1

reverse a integer in java

while(num != 0) 
{
   int digit = num % 10;
   reversed = reversed * 10 + digit;
   num /= 10;
}
Posted by: Guest on August-16-2020
0

reverse int array java

import java.util.*;
import java.util.stream.Collectors;

int[] array = new int[] {23, 54, 12};
List<Integer> list = Arrays.stream(array).boxed().collect(Collectors.toList());
Collections.reverse(list);
array = list.stream().mapToInt(x -> x).toArray();
//array = [12,54,23]
Posted by: Guest on October-31-2021
1

reverse array java

// reverse array

for(int i=intArray.length-1;i>=0;i--)
         System.out.print(intArray[i] + "  ");
Posted by: Guest on November-23-2020

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