JAVA格式化输出的简单问题~~
就是比如6 我要输出为06,应该怎么输出呢?
为什么我设置格式就提示我
Exception in thread "main" java.util.MissingFormatWidthException: 0d
at java.util.Formatter$FormatSpecifier.checkNumeric(Formatter.java:2930)
at java.util.Formatter$FormatSpecifier.checkInteger(Formatter.java:2890)
at java.util.Formatter$FormatSpecifier.<init>(Formatter.java:2643)
at java.util.Formatter.parse(Formatter.java:2480)
at java.util.Formatter.format(Formatter.java:2414)
at java.io.PrintStream.format(PrintStream.java:920)
at java.io.PrintStream.printf(PrintStream.java:821)
at Lottery.main(Lottery.java:24)
刚开始学 不太明吧啊 谢谢各位~