我有两个printf它们是分开的,因为一个正在循环我无法对齐其中一个printf。我希望它在朋友面前排队。
什么是打印
Member Friends
Chi Cho Joe Blow
Jimmy Brown
Status:
Joe Blow John Ko
Status: Coding like a friend
Tammy Joe Joe Johnson
Status: this is great
Bing Smith John Brown
Status: This sucks
我想要的是什么
Member Friends
Chi Cho Joe Blow
Jimmy Brown
Status:
Joe Blow John Ko
Status: Coding like a friend
Tammy Joe Joe Johnson
Status: this is great
Bing Smith John Brown
Status: This sucks
for (int i = 0 ; i< profiles; i++)
{
String arrayName = face.get(i).getName();
String statusName = face.get(i).getStatus();
LinkedList<String> linkName = face.get(i).getFriend();
String realname ="";
System.out.printf("%-20s", arrayName);
for (String toname : linkName) {
System.out.printf("%-20s", toname);
System.out.println();
错误在哪里
if (toname != linkName.size() - 1) {
System.out.printf("%-20s", "");
}
}
System.out.println("Status: " + statusName);
System.out.println();
}
}
答案 0 :(得分:6)
在列表中称为size()
:)
check here
答案 1 :(得分:2)
如果您使用列表,则上述代码段将成为此内容:
if (toname != arraylistName.get(arraylistName.size() - 1)) {
System.out.printf("%-20s", "");
}