求最大次大数

public class 求最大次大数 {


/**
* @param args
*/
public static void main(String[] args) {
int a[] = new int[]{1,3,5,6,7,9,0,23,54,56};
PrintHigh(a);
}


public static void PrintHigh(int[] a){
int MaxNum=0,SecondNum=0;
for(int i=0;i<a.length;i++){
if(a[i]>MaxNum){
SecondNum = MaxNum;
MaxNum = a[i];
}else{
if(a[i]>SecondNum){
SecondNum = a[i];
}
}
}
System.out.println("最大数："+MaxNum+"..次大数："+SecondNum);
}
}