在java中如何让double型输出整数不显示小数点和其后的0

2024-12-27 04:27:38

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在java中如何让double 型输出整数不显示小数点和其后的0

public class DoubleTrans{ public static String doubleTrans(double d){ if(Math.round(d)-d==0){ return String.valueOf((long)d); } return String.valueOf(d); } public static void main(String args[]){ double a=3.0d,b=3.1d; System.out.println(doubleTrans(a)); System.out.println(doubl...
在java中如何让double 型输出整数不显示小数点和其后的0 - 百度知道

public class DoubleTrans{ public static String doubleTrans(double d){ if(Math.round(d)-d==0){ return String.valueOf((long)d);} return String.valueOf(d);} public static void main(String args[]){ double a=3.0d,b=3.1d;System.out.println(doubleTrans(a));System.out.print...
在java中如何让double 型输出整数不显示小数点和其后的0

public class DoubleTrans{ public static String doubleTrans(double d){ if(Math.round(d)-d==0){ return String.valueOf((long)d); } return String.valueOf(d); } public static void main(String args[]){ double a=3.0d,b=3.1d; System.out.println(doubleTrans(a)); System.out.println(doubl...