A Java program from one plus to one hundred

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foreword

1. Steps to use

1. Read in data

Add data from one to one hundred: 1+2+3+4+5+...+99+100;

2. The code is as follows (example):

public class class1 {
    
    

/*

*

*/

 public static void main(String[] args) {
    
    

  // TODO Auto-generated method stub

  int a;

  double sum=0;

  for(a=1;a<101;++a) {
    
    

   sum+=a;

  }

  System.out.println("sum="+sum);

 }

}

运行截图为：
![在这里插入图片描述](https://img-blog.csdnimg.cn/2bae6bd9c5dc45e3a5d56249ed748341.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBASVTlsI_nkKo=,size_20,color_FFFFFF,t_70,g_se,x_16)


# 总结

例如：利用循环来求和。