public class Test {
public static void main(String[] args) {
int n = 9;
for (int i=1;i<=n;i++) {
for (int j=1;j<=i;j++) {
System.out.print("" + i + "*" + j + "=" + i*j + " ");
}
System.out.println();
}
}
}
请帮我解释工作所以流程!
public static void main(String[] args) {
int n = 9;
for (int i=1;i<=n;i++) {
for (int j=1;j<=i;j++) {
System.out.print("" + i + "*" + j + "=" + i*j + " ");
}
System.out.println();
}
}
}
请帮我解释工作所以流程!
i =2 : 2×1=2 2×2=4
i =3 : 3×1=3 3×2=6 3×3=9
i =4 : 4×1=4 4×2=8 4×3=12 4×4=16
j j j j 的变化最后就是乘法口决
for (int j=1;j <=i;j++)
i=1时,j取1
i=2时,j取1,2
i=3时,j取1,2,3
...
i=n时,j取1,2,3,...,n