public class jishuoushu {

	public void fun(int[] v) 
	{
        for(int i = 0,j=0;i < v.length; i++) 
        {  
            if(v[i] % 2 != 0) 
            {
            	
                swap(v, i, j);
                j++;
            }
        }
    }
     //
    public void swap(int[] v, int i, int j) 
    {
        int tmp = v[i];
        v[i] = v[j];
        v[j] = tmp;
    }
     
   
    public static void main(String[] args) {
        //定义数组v
        int[] v = { 1,2,5,4,9};
        //new一个对象，jishuoushu是类名
        jishuoushu test = new jishuoushu();
        //调用fun函数
        test.fun(v);
        //循环输出输出排序交换的数组
        for(int i = 0; i < v.length; i++) 
        {
            System.out.print(v[i]+",");
        }
    }
 
}