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  • 9*9乘法表(5种输出格式)

    格式1:

    package chengfa;
    
    public class Chengfabiao {
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            for(int i=1;i<=9;i++){
                for(int j=1;j<=i;j++){
                    //System.out.printf("%d%c%d%c%2d	",i,'*',j,'=',i*j);
                    System.out.print(i+"*"+j+"="+i*j+(j==i? "":"	"));//*和=必须用双引号
                    
                }System.out.println();
            }
            
            
        }
    
    }

    格式2:

    package chengfa;
    
    public class Chengfabiao {
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            for(int i=1;i<=9;i++){
                for(int j=1;j<10;j++){
                    //System.out.printf("%d%c%d%c%2d	",i,'*',j,'=',i*j);
                    System.out.print(i+"*"+j+"="+i*j+(j==i? "	":"	"));//*和=必须用双引号
                    
                }System.out.println();
            }
            
            
        }
    
    }

    格式3:

    package chengfa;
    
    public class Chengfabiao {
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            for(int i=9;i>=1;i--){
                for(int j=1;j<=i;j++){
                    //System.out.printf("%d%c%d%c%2d	",i,'*',j,'=',i*j);
                    System.out.print(i+"*"+j+"="+i*j+(j==i? "	":"	"));//*和=必须用双引号
                    
                }System.out.println();
            }
            
            
        }
    
    }

    格式4:

    package chengfa;

    public class Chengfabiao {

    public static void main(String[] args) {
    // TODO Auto-generated method stub
    for(int i=1;i<10;i++){
    for(int k=0;k<=(9-i)*7;k++){
    System.out.print(" ");
    }
    for(int j=1;j<=i;j++){
    System.out.printf("%d*%d=%2d ",i,j,j*i);
    // System.out.print(i+"*"+j+"="+i*j+" ");//*和=必须用双引号

    }System.out.println();
    }


    }

    }

    格式5:

    package chengfa;
    
    public class Chengfabiao {
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            for(int i=9;i>0;i--){
                for(int k=0;k<=(9-i)*7;k++){
                    System.out.print(" ");    
                }
                for(int j=1;j<=i;j++){
                    System.out.printf("%d*%d=%2d ",i,j,j*i);
                    //System.out.print(i+"*"+j+"="+i*j+"	");//*和=必须用双引号
                    
                }System.out.println();
            }
            
            
        }
    
    }

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  • 原文地址:https://www.cnblogs.com/cstdio1/p/11231026.html
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