JAVA - 插入元素到一个无序的数组里

插入元素到一个无序的数组里.java

public class InsertingElementsToArray {
 
    public static void insertUnsortedArray(String toInsert) {
 
        String[ ] unsortedArray = { "A", "D", "C" };
 
        String[ ] newUnsortedArray = new String[unsortedArray.length + 1];
        System.arraycopy(unsortedArray, 0, newUnsortedArray, 0, 3);
        newUnsortedArray[newUnsortedArray.length - 1] = toInsert;
        System.out.println(Arrays.toString(newUnsortedArray));
    }
 
    public static void main(String[ ] args) {
        insertUnsortedArray("B");
    }
}