int z=5;
for (int x=1;x<=5;x++)
{
for(int y=1; y<=z;y++)
{
System.out.print(y);
}
z--;
System.out.println();
}
打印结果:
12345
1234
123
12
1
int x=1; //计数器 1~100,统计出6的倍数有多少个。
int count=0;
while (x<=100)
{
if(x%6==0)
{
count++;
}
x++;
}
System.out.println(count);
int x=1; //累加 1~10相加
int sum = 0;
while (x<=10)
{
sum = sum + x;
x++;
}
System.out.println(sum);*/