Breakpoint debugging

 1 package basic.java;
 2 
 3 public class DebugTest {
 4     public static void main(String[] args) {
 5         int sum = 0;
 6         for (int i = 1; i <= 5; i++) {
 7             sum+=i;
 8         }
 9         System.out.println(sum);
10     }
11 }

 1 package basic.java;
 2 
 3 import java.util.Scanner;
 4 
 5 public class DebugTest2 {
 6     @SuppressWarnings("resource")
 7     public static void main(String[] args) {
 8         Scanner sc = new Scanner(System.in);
 9         
10         System.out.println("请输入第一个数:");
11         int a = sc.nextInt();
12         
13         System.out.println("请输入第二个数:");
14         int b = sc.nextInt();
15         
16         int c = sum(a, b);
17         System.out.println(c);
18     }
19 
20     public static int sum(int a, int b) {
21         int c = a + b;
22         return c;
23     }
24 }