Realize various multiplication tables with JAVA

Nine-Nine Multiplication Table

Various forms of nine-nine multiplication table
1, the first
code display:

package test;

//乘法表

public class test05 {
    
    
    public static void main(String[] args) {
    
    
        for (int i = 1; i <=9 ; i++) {
    
    
            for (int j = 1; j <=i ; j++) {
    
    
                System.out.print(i+"*"+j+"="+(i*j)+"\t");
            }
            System.out.println();
        }
    }
}

Running results:

2. The second
code display:

package test;

public class test06 {
    
    
    public static void main(String[] args) {
    
    
        for (int i = 1; i <10 ; i++){
    
    
            for (int k = 1; k < i; k++) {
    
    
                System.out.print("\t\t");
            }
            for (int j = 10-i; j >=1 ; j--) {
    
    
                System.out.print(j+"*"+(10 - i)+"="+(10 - j)*i+"\t");
                }
            System.out.println("");
        }
    }
}

Running results:

3. The third
code display:

package zuoye;

public class t05 {
    
    
    public static void main(String[] args) {
    
    
        for (int i = 1; i <=9 ; i++) {
    
    
            for (int j = 1; j <=10-i ; j++) {
    
    
                System.out.print(i+"*"+j+"="+(i*j)+"\t");
            }
            System.out.println(" ");
        }
    }
}

Running results:

4. The fourth
code display:

package zuoye;

public class t04 {
    
    
    public static void main(String[] args) {
    
    
        for (int i = 1; i <=9 ; i++) {
    
    
            for (int k = 2; k <=i ; k++) {
    
    
                System.out.print("    ");
            }
            for (int j =i;j<=9;j++) {
    
    
                System.out.print(i+"*"+j+"="+(i*j)+"\t");
            }
            System.out.println(" ");
        }
    }
}

Running result:

happy