Long.decode(String nm):将字符串解析为long值,可以处理不同进制的字符串(如十进制、十六进制等)。 3. 编写代码实现String到long的转换 以下是使用Long.parseLong()和Long.valueOf()方法的代码示例: java public class StringToLongConversion { public static void main(String[] args) { // 使用Long.parseLong...
publicclassStringLongConversion{publicstaticvoidmain(String[]args){// 将String转换为longStringstr="12345";// 待转换的字符串longnumber=Long.parseLong(str);// 使用Long.parseLong()方法进行转换System.out.println("String to long: "+number);// 将long转换为Stringlongnumber2=12345;// 待转换的长整数S...
下面是一个使用StringToLongConverter工具类的示例: publicclassMain{publicstaticvoidmain(String[]args){Stringinput="12345";try{Longresult=StringToLongConverter.convert(input);System.out.println("Conversion result: "+result);}catch(NumberFormatExceptione){System.out.println("Invalid input format");}}} ...
int i = Integer.parseInt(str); String to double : double d = Double.valueOf(str).doubleValue(); String to long : long l = Long.valueOf(str).longValue(); or long l = Long.parseLong(str); String to float : float f = Float.valueOf(str).floatValue(); decimal to binary : int ...
public static void main(String args[]){ String str=”123″; int inum = 100; /* converting the string to an int value * ,the value of inum2 would be 123 after * conversion */ int inum2 = Integer.parseInt(str); int sum = inum+inum2; ...
String to double :double d = Double.valueOf(str).doubleValue();String to long :long l = Long.valueOf(str).longValue();or long l = Long.parseLong(str);String to float :float f = Float.valueOf(str).floatValue();decimal ...
Learn toconvert a String to Longtype in Java usingLong.parseLong(String),Long.valueOf(String)methods andnew Long(String)constructor. Quick Reference Stringnumber="2018";//Stringlongvalue1=Long.parseLong(number,10);longvalue2=Long.valueOf(number);longvalue3=newLong(number); ...
1package cn.stringtoobj;23publicclassTypeConversion {45publicstaticvoidmain(String[] args) {6//将String转int7String str ="123";8int[] ints =newint[3];9ints[0] =Integer.parseInt(str);10ints[1] =Integer.valueOf(str);11ints[2] =newInteger(str);12print(ints);13//String转byte14...
when we want to obtain a long primitive. this is because it returns a long primitive directly without creating an unnecessary long object as part of the conversion . 5. using the long.decode() method if our string is in hexadecimal form, we can use the static factory method decode()...
LongString 旅行图 Parse String to long ParseString --> Long Convert to long using valueOf ConvertString --> Long String to long conversion 希望本文能够帮助你理解如何在Java中将String类型转换为long类型,并能够在实际开发中灵活应用。如有任何疑问或建议,欢迎留言讨论。