作业代码
public static void main(String[] args) {
int oddSum=0;
int evenSum=0;
for (int index=1;index<=100;index++){
if(index%2!=0){
oddSum+=index;
}else{
evenSum+=index;
}
}
System.out.println("奇数总和:"+oddSum);
System.out.printf("偶数总和:"+evenSum);
}
- 练习2:用while或for循环输出1-1000之间能被5整除的数,并且每行输出3个
public static void main(String[] args) {
for (int i = 1; i <= 100; i++) {
if(i%5==0){
System.out.print(i+" ");
}
if(i%(5*3)==0){
System.out.print("
");
}
}
}
public static void main(String[] args) {
for (int j=1;j<=9;j++){
for (int i = 1; i <= j; i++) {
System.out.print(j+" * "+i+" = "+(j*i)+" ");
}
System.out.printf("
");
}
}