1----------------------------------
工具类
package oo.day02;
public class ArrayUtils {
public static void printArray(int[] array) {
System.out.print("{");
for(int i=0;i<array.length;i++){
System.out.print(array[i]);
if(i<array.length-1){
System.out.print(",");
}
}
System.out.print("}");
}
}
2----------------------------------------------
//测试代码
package oo.day02;
import java.util.Random;
public class RemoveDemo {
public static void main(String[] args) {
int []arr=new int[20];
Random rand=new Random();
for(int i=0;i<arr.length;i++){
arr[i]=rand.nextInt(100);
}
ArrayUtils.printArray(arr);
int[] arrnew=remove(arr,12);
System.out.println();
ArrayUtils.printArray(arrnew);
}
public static int [] remove(int[]arr,int index){
int []arrnew=new int[arr.length-1];
for(int i=0;i<index;i++){
arrnew[i]=arr[i];
}
for(int i=index+1;i<arr.length-1;i++){
arrnew[i]=arr[i+1];
}
return arrnew;
}
}