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));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));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] + " ");
}
}
}reverse a integer in java
while(num != 0)
{
int digit = num % 10;
reversed = reversed * 10 + digit;
num /= 10;
}Copyright © 2021 Codeinu
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