public class test{
static int sum=0;
public static void main(String[] args){
for (int j=1;j<10;j++){
sum=sum+j;
System.out.println(j+":"+sum);
}
}
}
static int sum=0;
public static void main(String[] args){
for (int j=1;j<10;j++){
sum=sum+j;
System.out.println(j+":"+sum);
}
}
}
good good study
一步一步往上爬