你加入
import java.util.*; 试试

解决方案 »

  1.   

    Daikuan.java:20: cannot resolve symbol
    symbol  : method print  (java.io.PrintStream,java.lang.String,double)
    location: class java.text.Format
                            Format.print(System.out,"with rate of 6.3%",100*y);
                                  ^
    Daikuan.java:21: cannot resolve symbol
    symbol  : method print  (java.io.PrintStream,java.lang.String,double)
    location: class java.text.Format
                            Format.print(System.out,"%%,your monthly payment is $%
    .2f\n",payment);
                                  ^
    2 errors
    还是返回这个错误!怎么解决?