现有一个数组
String[] str = new String[]{"A","B","C","D","E","F"};
输出为: -------------------------------
| A | B | C |
-------------------------------
| D | E | F |
-------------------------------
这个线都是连在一起的,是一个两行三列表格,我这里不想往上传图片了,就随便画了一下
------解决方案--------------------
- Java code
String[] str = new String[]{"A","B","C","D","E","F"}; for (int i = 0; i < str.length; i++) { if(i>0&&i%3==0) { System.out.println(); } System.out.print(str[i] + " "); }
------解决方案--------------------
就是循环,三个元素换一次行
- Java code
String[] str = new String[]{"A","B","C","D","E","F"};String line = "-------------"; //计算好元素占的横向空间System.out.println(line);System.out.print("|");for (int i = 0; i < str.length; i++) { System.out.printf(" %s |", str[i]); if ((i+1)%3 == 0) { //3个元素换一次行,并打印第一个竖线 System.out.printf("\n%s\n%s", line, i==str.length-1 ? "" : "|"); }}