π» iκ° λνκΈ° 1~10
int s=0;
s = s + 1;
System.out.println("s="+s); //s=1
s = s + 2;
System.out.println("s="+s); //s=3
s = s + 3;
System.out.println("s="+s); //s=6
s = s + 4;
System.out.println("s="+s); //s=10
s = s + 5;
System.out.println("s="+s); //s=15
π» 1~100 λ°λ³΅ => λμ ν© κ΅¬νκΈ°
int s2=0;
for(int i=1;i<=100;i++) {
s2=s2+i;
}
System.out.println("1~100κΉμ§μ ν© :"+s2);
// 1~100κΉμ§μ ν© :5050