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java格式化表格输出

更新时间:2022-11-30 13:58:57

Java有一种很好的快乐方式,可以使用

Java has a nice happy way to print out tables using System.out.format

这是一个例子:

Object[][] table = new String[4][];
table[0] = new String[] { "Pie", "2.2", "12" };
table[1] = new String[] { "Cracker", "4", "15" };
table[2] = new String[] { "Pop tarts", "1", "4" };
table[3] = new String[] { "Sun Chips", "5", "2" };

System.out.format("%-15s%-15s%-15s%-15s\n", "Item#", "Item", "Price", "Quantity");
for (int i = 0; i < table.length; i++) {
    Object[] row = table[i];
    System.out.format("%-15d%-15s%-15s%-15s\n", i, row[0], row[1], row[2]);
}

结果:

Item#          Item           Price          Quantity       
0              Pie            2.2            12             
1              Cracker        4              15             
2              Pop tarts      1              4              
3              Sun Chips      5              2