比如:计算1-100之间奇数之和
int sum=0
for(int i=1i<=100i++){
if(i/2!=0){
sum+=i
}
}
System.out.println(sum)
int count=0for( int i=1i<101i++){
if(i%2==0){
count=count+i
}
}
system.out.println("一百以内偶数之和为:"+count)
-------------------------------------------------------
int count=0
for( int i=1i<101i++){
if(i%2!=0){
count=count+i
}
}
system.out.println("一百以内奇数之和为:"+count)
public class Demo {public static void main (String args[]) {
int[] nums = {5, 2, 45, 11, 13, 32, 7, 24, 63, 48}
int odd=0, even=0
for (int i=0i<nums.lengthi++) {
if (nums[i] % 2 == 0)
even ++
else
odd ++
}
System.out.println("even:\t" + even)
System.out.println("odd:\t" + odd)
}
}