编辑代码

import java.util.Scanner;

public class Guoyongming {

	@SuppressWarnings("resource")
	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);

	         System.out.println("请输入一个整数：");
	 		Scanner scanner = new Scanner(System.in);
	 		int dec = scanner.nextInt();
	 		Guoyongming.convert(dec);
	         
	         
	 		
	 		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;
			  String str = "My name is Tom, I come from China";
			  for(int i=0; i<str.length(); i++){
				  Character cc = str.charAt(i);
				  
				  if( 'A'<= cc && cc<='Z' ){
					  count++;
					  }
				  }
			  System.out.println("字符串 "+str+" 中包含"+count+"个大写字母！"); 
			



	}
	public static void convert(int decNumber){
		if(decNumber == 0) {
			System.out.println(0);
			return;
		}
			
		int[] a = new int[100];
		int i = 0;
		int j = 0;
		while(decNumber > 0 ){
			a[i++] = decNumber %2;
			decNumber = decNumber / 2;	
		}
		
		for (j= i-1; j>= 0; j--) {
			System.out.print(a[j]);
		}
	}
	
	
	


}