int m=new Scanner(System.in).nextInt();
if(m%2==0){
System.out.println("偶数");}else{
System.out.println("单数");}
if(m%2==0){
System.out.println("偶数");}else{
System.out.println("单数");}
2021-11-10
public class HelloWorld{
public static void main(string[] args){system.out.println("Hello World")
}
public static void main(string[] args){system.out.println("Hello World")
}
2021-11-05
for (int i = 1; i <= 10; i++) {
// 每次循环时累加求和
sum = sum + i;
// 判断累加值是否大于20,如果满足条件则退出循环
if ( sum>20 )
break;}
System.out.print("当前的累加值为:" + sum);
// 每次循环时累加求和
sum = sum + i;
// 判断累加值是否大于20,如果满足条件则退出循环
if ( sum>20 )
break;}
System.out.print("当前的累加值为:" + sum);
2021-10-24