class ChengFa//打印乘法口诀
{
public static void main(String args[])
{there:
for(int i=1;i<10;i++)
{here:
for(int j=1;j<10;j++)
{
if(i==j)
{
System.out.println(i+"*"+j+"="+i*j);
continue here;
}
if(i>j)
{
System.out.print(i+"*"+j+"="+i*j+" ");
continue here;
}
}
}
}
}
for (int i = 1; i < 10; i++) {
for (int j = 1; j < i+1; j++)
System.out.print(i + "*" + j + "=" + i * j + " ");
System.out.println();
}
{
public static void main(String args[])
{
int c;
for(int i=1;i<=9;i++){
c=i;
for(int o=1;o<=c;o++){
if(o!=c){
System.out.print(o+"*"+i+" = "+o*i+" ");
}
else{
System.out.println(c+"*"+i+" = "+c*i);
}
}
}
}
}
class Cf
{
public static void main(String args[])
{
for(int i=1;i<10;i++)
{
for(int j=1;j<10;j++)
{
if(i==j)
{
System.out.println(i+"*"+j+" = "+i*j);
}
if(i>j)
{
System.out.print(i+"*"+j+" = "+i*j+" ");
}
}
}
}
}
但这样效率会不会好一点
int k ;
for (int i = 1; i < 10; i++) {
k = 0;
for (int j = 1; j < i + 1; j++) {
k = k + i;
System.out.print(i + "*" + j + "=" + k + " ");
}
System.out.println();
}