java for문 10단위의 합


public class For_if {

public static void main(String[] args) {
// TODO Auto-generated method stub  youn1223@daum.net
int sum;
int i;


System.out.println();
sum=0;
for(i=1;i<=100;i++){
sum=sum+i;
if(i%10==0){
System.out.println(1+"~" +i+" : "+sum);
}
}

System.out.println();
sum=0;
for(i=1;i<=100;i++){
sum=sum+i;
if(i%10==0){
System.out.println(i-9+"~" +i+" : "+sum);
sum=0;
}
}
}

}
                                  결과
                                  10단위의 합구하기



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