forloop.java

来自「JAVA 2 入门经典 的 书上代码」· Java 代码 · 共 14 行

public class ForLoop 
{
   public static void main(String[] args) 
   {
      int limit = 20;                     // Sum from 1 to this value
      int sum = 0;                        // Accumulate sum in this variable

      // Loop from 1 to the value of limit, adding 1 each cycle
      for(int i = 1; i <= limit; i++)
         sum += i;                        // Add the current value of i to sum
      System.out.println("sum = " +sum);
   }
}