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Java Program to shift array elements to the left
Let us first create an int array −
int[] arr = { 10, 20, 30, 40, 50, 60, 70, 80, 90 };
Now, shift array elements to the left with arraycopy() and placing the elements correctly so that it gets shifted to the left −
System.arraycopy(arr, 1, arr, 0, arr.length - 1);
Example
import java.util.Arrays; public class Demo { public static void main(String[] argv) throws Exception { int[] arr = { 10, 20, 30, 40, 50, 60, 70, 80, 90 }; System.out.println("Initial array...
"+Arrays.toString(arr)); System.arraycopy(arr, 1, arr, 0, arr.length - 1); System.out.println("Array after shifting to the left..."); System.out.println(Arrays.toString(arr)); } }
Output
Initial array... [10, 20, 30, 40, 50, 60, 70, 80, 90] Array after shifting to the left... [20, 30, 40, 50, 60, 70, 80, 90, 90]
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