九九乘法表

package learning;

public class JiuJiu {

    /**
     * @param args
     */
    public static void main(String[] args) {
                for(int i=1;i<=9;i++){
                    for(int j=1;j<=i;j++){
                        System.out.print(i+"x"+j+"="+i*j);
                        if(2<=i && j!=i) 
                            System.out.print(",");
                    }

                    System.out.println();
                }
            }
        }