public class Sum {
public static void main(String[] args) {
System.out.print("输入一个数字:");
Scanner sc = new Scanner(System.in);
int sum = sc.nextInt();
new Sum().sop(sum);
}
public void sop(int s) {
for(int i=0; i System.out.println("Hello World");
}
}
}
public void printHello(int n){
for(int i=0;iSystem.out.print("HelloWorld");
}
}