编辑代码

import java.util.Scanner;
class Main {
	public static void main(String[] args) {
        int par[]={1,2,3,4,5,6,7,8,9,10,100};
        int min,max,sum=0;
        min=max=par[0];
        for(int i=0;i<par.length;i++) {
          if(min>par[i])
          min = par[i]; 
          if(max<par[i])
          max = par[i]; 
          sum = sum + par[i]; 
         }
         System.out.println("min="+min);
         System.out.println("max="+max);
         System.out.println("avg="+sum/par.length);


      String a = "Tom";
		String b = "I am Tom, I am from China.";
		int flag = (b.indexOf(a));
		if(flag >= 0){
			System.out.println("Yes，出现了，在b字符串的"+flag+"个字母处");
		}
		else{
			System.out.println("No,没出现");
		}


        int count = 0; //计数器
		String str = "My name is Tom, I come from China";
		for(int i=0; i<str.length(); i++){
			Character cc = str.charAt(i); 
			boolean d = Character.isUpperCase(cc);
			if(d){
				count++;
			}
		}
		System.out.println("字符串 "+str+" 中包含"+count+"个大写字母！");
	}
}