示例1: // Java code to demonstrate// DoubleintValue() methodclassGFG{publicstaticvoidmain(String[] args){// Double valueDouble a =17.47;// wrapping the Double value// in the wrapper class DoubleDouble b =newDouble(a);//intValueof the Double Objectintoutput = b.intValue();// printing...
doublevalue() このDoubleValueをdoubleとして返します。 インタフェース java.lang.Comparableで宣言されたメソッド compareTo インタフェース com.sun.jdi.Mirrorで宣言されたメソッド toString,virtualMachine インタフェース com.sun.jdi.PrimitiveValueで宣言されたメソッド ...
Returns the value of thisDoubleas anintafter a narrowing primitive conversion. Java documentation forjava.lang.Double.intValue(). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5...
1. 使用BigDecimal类 在Java中,可以使用BigDecimal类来表示精确的小数。BigDecimal类提供了精确的算术运算,可以避免double类型的精度问题。我们可以将double类型的金额转换为BigDecimal进行计算,再将计算结果转换回double类型。 doublea=0.1;doubleb=0.2;BigDecimalbigDecimalA=BigDecimal.valueOf(a);BigDecimalbigDecimalB=BigDec...
valueOf(java.lang.String) Method Detail toString public staticStringtoString(double d) Returns a string representation of thedoubleargument. All characters mentioned below are ASCII characters. If the argument is NaN, the result is the string "NaN". ...
在有的编程语言中提供了专门的货币类型来处理这种情况,但是Java没有。现在让我们看看如何解决这个问题。 四舍五入 我们的第一个反应是做四舍五入。Math类中的round方法不能设置保留几位小数,我们只能象这样(保留两位):publicdoubleround(doublevalue){returnMath.round(value*100)/100.0; ...
publicString toString(double d){returnFloatingDecimal.toJavaFormatString(d);}publicStringtoString(){returntoString(value);} valueOf(): 返回使用提供的值初始化的Double对象。 代码语言:javascript 复制 publicstaticDoublevalueOf(String s)throws NumberFormatException{returnnewDouble(parseDouble(s));}publicstatic...
Namespace: Java.Lang Assembly: Mono.Android.dll Returns the value of this Double as a long after a narrowing primitive conversion. C# 复制 [Android.Runtime.Register("longValue", "()J", "")] public override long LongValue (); Returns Int64 the double value represented by this object...
Java documentation forjava.math.BigInteger.doubleValue(). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
Java documentation forjava.math.BigInteger.doubleValue(). Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...