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for(int i=0;i;i+){
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if(i%2=0){
System.out.println(i);}
}
一、按钮“求2到100之间的偶数和”代码如下:
Private Sub Command1_Click()Dim i As IntegerDim s As Integers = 0For i = 2 To 100 Step 2 s = s + iNext iPrint "2到100的所有偶数和是:"; sEnd Sub
二、按钮“方法2”代码如下:
Private Sub Command2_Click()Dim i As IntegerDim s As Integers = 0For i = 2 To 100If i Mod 2 = 0 Then s = s + iEnd IfNext iPrint "2到100的所有偶数和是:"; sEnd Sub
三、按钮“方法3”代码如下:
Private Sub Command3_Click()Dim i As IntegerDim s As Integers = 0i = 2DoIf i Mod 2 = 0 Then s = s + iEnd Ifi = i + 1Loop Until i 100Print "2到100的所有偶数和是:"; sEnd Sub
四、按钮“方法4”代码如下:
Private Sub Command4_Click()Dim i As IntegerDim s As Integers = 0i = 2Dos = s + ii = i + 2Loop Until i 100Print "2到100的所有偶数和是:"; sEnd SubPrivate Sub Command2_Click()Dim i, sum1, sum2 As Integersum1 = 0sum2 = 0For i = 1 To 100If i Mod 2 = 1 Thensum1 = sum1 + iElsesum2 = sum2 + iEnd IfNext iPrint "奇数和为" sum1Print "偶数和为" sum2End Sub
你好,可以参考一下代码
Scanner input = new Scanner(System.in);
int s = input.nextInt();
int l = input.nextInt();
for (int i = s; i = l; i++) {
if(i%2==0){
System.out.print(i+" ");
}
}
希望可以帮助到你
public class Main{
public static void main(String args[]){
System.out.println("打印偶数:");
for( int i = 1; i =100; i++){
if(i%2==0){
System.out.print(i+" ");
}
}
System.out.println();
System.out.println("打印奇数:");
for(int i = 1; i=100; i++ ){
if(i%2==1){
System.out.print(i+" ");
}
}
}
}
利用求摸运算符就可以
/**
* @Description: java遍历200以内的偶数,并且进行累计求和,在控制台打印出所有偶数的加和? 我写个最简单的代码
*/
public class OuShu {
public static void main(String[] args) {
int sum = 0;
System.out.println("200以内的偶数:");
for (int i = 0; i = 200; i = i + 2) {
System.out.print(i + ",");
// 10个数分行打印
if (i % 20 == 0 i 0) {
System.out.println();
}
sum += i;
}
System.out.println();
System.out.println("总数为:" + sum);
}
}