ど初心者メモ：
２の２乗を8回行う。
public class Main{
public static void main(String[] args) {
int x = 1;
for(int i = 1; i <= 8; i++) {
x *= 2;
System.out.println("2の" + i + "乗は" + x );
}
}
}
Javaを使えるようになるのだろうか....はぁ....
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