/*排序*/
int [] nums={44,22,33,55,99};
int tp;
for(int i=0;i<nums.length;i++){
int index =i;
int keyval=nums[i];
for(int j=i;j<nums.length;j++){
int ns =nums[j];
if(keyval>ns){
index=j;
keyval=nums[j];
}
}
tp=nums[i];
nums[i]=nums[index];
nums[index]=tp;
}
///java中的foreach
for(int nv:nums){
System.out.println(nv);
}