Java Program to Split an Array from Specified Position

// Java Program to Split Array
// Using Arrays.copyOfRange()
import java.util.Arrays;

public class SplittingArray {

    public static void main(String args[]) {
        
        // Original Array
        int a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };

        int n = a.length;
      
        // Position to split the array
        int p = 5;
       
        // Validate the split position to ensure 
        // it's within array bounds
        if (p > 0 && p < n) {

            int b[] = new int[p];
            int c[] = new int[n - p];

            // Initialize array "b" with elements from index 0 to p - 1
            b = Arrays.copyOfRange(a, 0, p);
            
            // Initialize array "c" with elements from index p to n - 1
            c = Arrays.copyOfRange(a, p, n);

          	System.out.println(Arrays.toString(b));
          	System.out.println(Arrays.toString(c));
        }
        else {
            System.out.println("Invalid position.");
        }
    }
}

// Java Program to Split Array
// using only one for loop
import java.util.Arrays;

public class SplittingArray2 {

    public static void main(String args[]) {

        // original array
        int a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
        int n = a.length;
        int p = 5;

        if (p > 0 && p < n) {
            int b[] = new int[p];
            int c[] = new int[n - p];

            // only using one for loop to split the array into b and c
            for (int i = 0; i < n; i++) {            
                if (i < p) {
                    b[i] = a[i];
                } else {
                    c[i - p] = a[i];
                }
            }

          	System.out.println(Arrays.toString(b));
          	System.out.println(Arrays.toString(c));
        }
        else {
            System.out.println("Invalid position.");
        }
    }
}

// Java Program to Split Array
// Using two for loops 
import java.util.Arrays;

public class SplittingArray3 {

    public static void main(String args[]) {
        
        // Original array
        int a[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
        int n = a.length;
        int p = 5;

        // validating the position for invalid values
        if (p > 0 && p < n) {
          
            // declaring array b and c
            int b[] = new int[p];
            int c[] = new int[n - p];

            for (int i = 0; i < p; i++) {
                b[i] = a[i];
            }

            for (int i = 0; i < n - p; i++) {
                c[i] = a[i + p];
            }

          	System.out.println(Arrays.toString(b));
          	System.out.println(Arrays.toString(c));
        }

        else {
            System.out.println("Invalid position.");
        }
    }
}