两种方法实现奇数和偶数的和(Java)
代码如下:
public class Aggregate1 {
public static void main(String[] args) {
int evensum = 0;//偶数和
int oddsum = 0 ;//奇数和
//方法一
for (int i = 0 ;i<=100;i+=2){
evensum +=i;
}
System.out.println("0-100之间的偶数和为:"+evensum);
for (int j = 1 ;j<=100;j+=2){
oddsum +=j;
}
System.out.println("0-100之间的奇数和为:"+oddsum);
//方法二
System.out.println("0-100之间的偶数和为:"+even());
System.out.println("0-100之间的奇数和为:"+odd());
}
static int even(){//偶数和
int evensum2 = 0;
for (int i = 0;i<=100;i++){
if(i%2 == 0){
evensum2 +=i;
}
}
return evensum2;
}
static int odd(){//奇数和
int oddsum2 = 0;
for (int i = 0;i<=100;i++){
if(i%2 != 0){
oddsum2 +=i;
}
}
return oddsum2;
}
}