成功打印“它是个3位的数!”,然而还是不对,,,
public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; for(;num!=0;num /=10){ count+=1; } System.out.println("它是个"+count+"位的数!"); } }
public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; for(;num!=0;num /=10){ count+=1; } System.out.println("它是个"+count+"位的数!"); } }
2015-12-31
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