public class InsertNumber
{
public static void main(String[] args)
{
int arr[] = new int[100]; arr[0] = 2;
arr[1] = 4;
arr[2] = 8;
arr[3] = 5;
arr[4] = 9;
arr[5] = 11;
arr[6] = 23;
arr[7] = 22; int temp = 8; int j = 0;
int srt = 9; int insert = 100;//要插入的数据 for (j = 0;j < temp ;j++ )
{
if (arr[j] == srt)
break;
for (int i = j;i < temp;i++ )
{
int demo = arr[i]; arr[i] = insert; arr[i] = arr[i--];
temp++;
}
System.out.println(arr[j]);
} }
}
我是想在9的位置插入100这个元素请高手看看那里出错了
{
public static void main(String[] args)
{
int arr[] = new int[100]; arr[0] = 2;
arr[1] = 4;
arr[2] = 8;
arr[3] = 5;
arr[4] = 9;
arr[5] = 11;
arr[6] = 23;
arr[7] = 22; int temp = 8; int j = 0;
int srt = 9; int insert = 100;//要插入的数据 for (j = 0;j < temp ;j++ )
{
if (arr[j] == srt)
break;
for (int i = j;i < temp;i++ )
{
int demo = arr[i]; arr[i] = insert; arr[i] = arr[i--];
temp++;
}
System.out.println(arr[j]);
} }
}
我是想在9的位置插入100这个元素请高手看看那里出错了
{
public static void main(String[] args)
{
int arr[] = new int[100]; arr[0] = 2;
arr[1] = 4;
arr[2] = 8;
arr[3] = 5;
arr[4] = 9;
arr[5] = 11;
arr[6] = 23;
arr[7] = 22; int temp = 8; int j = 0;
int srt = 9; int insert = 100;//要插入的数据 for (j = 0;j < temp ;j++ )
{
if (arr[j] == srt)
break;
} for (int i = j;i < temp;i++ )
{
int demo = arr[i]; arr[i] = insert; arr[i] = arr[i--];
temp++;
}
System.out.println(arr[j]); }
}
你第二个for循环在第一个for循环里面,break语句直接跳出了,当然不执行了
改了下,你看看吧
arr[j]=insert;
{
public static void main(String[] args)
{
int arr[] = new int[100]; arr[0] = 2;
arr[1] = 4;
arr[2] = 8;
arr[3] = 5;
arr[4] = 9;
arr[5] = 11;
arr[6] = 23;
arr[7] = 22; int temp = 8; int j = 0;
int srt = 9; int insert = 100;//要插入的数据 for (j = 0;j < temp ;j++ )
{
if (arr[j] == srt)
break;
} for (int i = j;i < temp ;i++)
{
arr[i+1] = arr[i]; arr[i] = insert;
} for (j = 0;j < temp ;j++ )
{
System.out.print(arr[j]+" ");
}
}
}还是不行的
我运行过了
2 4 8 5 100 100 100 100
我的意思是在9和5之间插入100
int arr[100]={2,4,8,5,9,11,23,22};
int src=9,insert=100,j=0;
for(;arr[j]!=src&&arr<8;j++);
for(int i=7;i>=j;i--) arr[i+1]=arr[i];
arr[j]=insert;
for(int i=0; i<9; i++) System.out.print(arr[i]+" ");
}