[英]Java Multiplication Table Formatting
I'm making a multiplication and here is a screenshot of what I'm trying to make:我正在做一个乘法,这是我想要做的截图:
However, I cannot get the lines to format correctly.但是,我无法正确格式化这些行。 I think I have the correct code to perform the expressions... just need help formatting the table.
我想我有正确的代码来执行表达式......只需要帮助格式化表格。 Is there something easy I'm missing, or do I need to restructure something?
有什么简单的我错过了,还是我需要重组一些东西?
Here is my code and below that is a screenshot of the output:这是我的代码,下面是 output 的屏幕截图:
case 4:
System.out.print(" |");
for(int q=1;q<=MAX_VALUE;q++) {
System.out.printf("%4d",q);
}
System.out.println(" ");
System.out.print("----+");
for (int u=0; u<MAX_VALUE; u++) {
System.out.print("----");
}
System.out.println(" ");
for(int q=1; q<=MAX_VALUE; q++) {
System.out.printf("%3d |",q);
for (int m=1; m<=MAX_VALUE; m++) {
System.out.printf(q*m + " ");
}
}
System.out.println();
break;
You need that System.out.println()
inside the 3rd for loop.Like so你需要
System.out.println()
在第三个 for 循环中。像这样
for(int q=1; q<=MAX_VALUE; q++) {
System.out.printf("%3d |",q);
for (int m=1; m<=MAX_VALUE; m++) {
System.out.printf(q*m + " ");
}
System.out.println();
}
break;
You will still need formatting as you're not using 4 spaces for the output.您仍然需要格式化,因为 output 没有使用 4 个空格。 I have added a minor width in output so try this -
我在 output 中添加了一个较小的宽度,所以试试这个 -
System.out.print(" |");
for(int q = 1; q <= MAX_VALUE; q++) {
System.out.printf("%4d", q);
}
System.out.println(" ");
System.out.print("----+");
for (int u=0; u<MAX_VALUE; u++) {
System.out.print("----");
}
System.out.println(" ");
for(int q=1; q<=MAX_VALUE; q++) {
System.out.printf("%3d |", q);
for (int m=1; m<=MAX_VALUE; m++) {
//System.out.printf(q*m + " ");
System.out.printf("%4d", q*m);
}
System.out.println();
}
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