选择排序法

public class Triangle{
public static int[] orderby(int[] nums,String str){
if(str.equalsIgnoreCase("desc")){
for(int i=0;i<nums.length;i++){
for(int j=i+1;j<nums.length;j++){
if(nums[i]<nums[j])
{
int temp=nums[i];
nums[i]=nums[j];
nums[j]=temp;

}
}
}
}
else if(str.equalsIgnoreCase("esc")){
for(int i=0;i<nums.length;i++)
{
for(int j=i+1;j<nums.length;j++)
{
if(nums[i]>nums[j])
{
int temp=nums[i];
nums[i]=nums[j];
nums[j]=temp;
}
}
}
}
return nums;
}
public static void main(String[] args)
{
int[] nums=orderby(new int[]{1,4,5,2,6,8,9,3},"desc");
System.out.print("desc:");
for(int i=0;i<nums.length;i++)
System.out.print(nums[i]);
System.out.println();
int[] nums1=orderby(new int[]{1,4,5,2,6,8,9,3},"esc");
System.out.print("esc:");
for(int i=0;i<nums.length;i++)
System.out.print(nums1[i]);
}
}