为什么"="出现语法错误啊
public class ChengFa {/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
for (int a = 1;a<10;a++){
for (int b = 1;b<='a';b++){
if(b<=a){
int f=a*b;
System.out.println(+a+"*"+b "=" +f+".");
}
}
}
}
}
请问有什么问题啊,说标志"="有请法错误的????????????????????????
