算法01：

public class yufafortwo {
    public static void main(String[] args) {
            long sum01 = 0;
            long sum02 = 0;
            for(int i=1; i<=100;i+=2)
            sum01 += i;
            for(int i=2; i<=100;i+=2)
            sum02 += i;
            
            System.out.println("2+4+6++100="+ sum02);
            System.out.println("1+3+5++99="+ sum01);
    }

}
//求1-100之間的奇數(shù)和與偶數(shù)和
算法02：
public class qita {

    public static void main(String[] args) {
        long sum01 = 0;
        long sum02 = 0;
        for(int i=0;i<=100;i++){
            if(i%2 == 0)
            sum01 += i;
            else sum02 += i;
        }
        
        System.out.println("1-100偶數(shù)和是" + sum01);
        System.out.println("1-100奇數(shù)和是" + sum02);
    }
}