public class Demo9{
	public static void main(String args[]){
		insert(2,3);
	}
public static void insert(int pos,int value){
	int[] a={1,2,4,5,6};
	//新数组的长度要比旧数组的长度+1
	int[] b = new int[a.length+1];
	
	//不能写b[i]=a[i+1];
	for(int i=0;i<a.length;i++){
		if(i<pos){
			b[i]=a[i];
		}else if(i==pos){
			b[i]=value;
			b[i+1]=a[i];
		}else{
			b[i+1]=a[i];
		}
	}
	for(int num:b){
		System.out.print(num+" ");
}	
}
}

import java.util.*;

public class Main 
{
	public static void main(String[] args) 
	{
		Scanner scan=new Scanner(System.in);
		System.out.print("输入插入的数字：");
		int a=scan.nextInt();
		int array[]={11,22,33,44,55,66,77,88,99};
		int newArray[]=insert(a,array);
		print(newArray);
		scan.close();
	}
	public static int[] insert(int a,int b[])
	{
		int c[]=new int[b.length+1];
		int j=0;
		for(int i:b)
		{
			if(i<=a)
			{
				c[j]=i;
				j++;
			}
			else 
			{
				c[j]=a;
				a=200;
				j++;
				c[j]=i;
				j++;
			}
		}
		return c;
	}
	public static void print(int...arg)
	{
		System.out.print("插入数字后的数组：");
		for(int i:arg)
		{
			System.out.print(i+"\t");
		}
	}
}