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最新评论
-
iloveflower:
呵呵。好好学习。。。。。。。。。。。。
java 读书 -
Eric.Yan:
看了一点,不过是电子版的……你这一说到提醒我了,还要继续学习哈 ...
java 读书
各种数字类型转换成字符串型:
String s = String.valueOf( value); // 其中 value 为任意一种数字类型。
字符串型转换成各种数字类型:
String s = "169";
byte b = Byte.parseByte( s );
short t = Short.parseShort( s );
int i = Integer.parseInt( s );
long l = Long.parseLong( s );
Float f = Float.parseFloat( s );
Double d = Double.parseDouble( s );
数字类型和数字类对象之间的转换:
byte b = 169;
Byte bo = new Byte( b );
b = bo.byteValue();
short t = 169;
Short to = new Short( t );
t = to.shortValue();
int i = 169;
Integer io = new Integer( i );
i = io.intValue();
long l = 169;
Long lo = new Long( l );
l = lo.longValue();
float f = 169f;
Float fo = new Float( f );
f = fo.floatValue();
double d = 169f;
Double dObj = new Double( d );
d = dObj.doubleValue();
String s = String.valueOf( value); // 其中 value 为任意一种数字类型。
字符串型转换成各种数字类型:
String s = "169";
byte b = Byte.parseByte( s );
short t = Short.parseShort( s );
int i = Integer.parseInt( s );
long l = Long.parseLong( s );
Float f = Float.parseFloat( s );
Double d = Double.parseDouble( s );
数字类型和数字类对象之间的转换:
byte b = 169;
Byte bo = new Byte( b );
b = bo.byteValue();
short t = 169;
Short to = new Short( t );
t = to.shortValue();
int i = 169;
Integer io = new Integer( i );
i = io.intValue();
long l = 169;
Long lo = new Long( l );
l = lo.longValue();
float f = 169f;
Float fo = new Float( f );
f = fo.floatValue();
double d = 169f;
Double dObj = new Double( d );
d = dObj.doubleValue();
发表评论
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Java Collection summary
2012-06-16 02:40 536Collection:List、Set Map: ... -
When to use Comparable vs Comparator
2012-06-15 00:52 752I have a list of objects I need ... -
Arrays.fill with multidimensional array in Java
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2012-06-13 07:47 892A common mistake for a beginner ... -
regular expression
2012-06-13 03:08 4781、Java对反斜线处理的 ... -
string functions
2012-06-13 00:09 794import java.util.*; public c ... -
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2012-06-13 00:07 545There are some important thing ... -
core java interview summary
2012-06-12 04:11 351http://blog.sina.com.cn/s/blog_ ... -
programming with String
2012-06-12 01:43 527Question: 1) Write code to che ... -
OO Design books -good website
2012-06-07 03:13 660I’m always on the search on goo ... -
Write a String Reverser (and use Recursion!)
2012-06-07 03:03 494Java Interview questions: Write ... -
Java高手必会的要点
2012-05-29 03:28 582http://developer.51cto.com/art/ ... -
How to use getClass().getClassLoader().getResource()
2012-05-29 03:13 1714This is the simplest wat to get ... -
How to override equals method in Java
2012-05-12 02:57 1513Object class holds some very in ... -
Top 30 Programming interview questions
2012-05-12 02:48 877Programming questions are integ ... -
10 example of using ArrayList in Java >>> Java ArrayList Tutorial
2012-05-12 02:37 813ArrayList in Java is most frequ ... -
How to use Comparator and Comparable in Java? With example
2012-05-12 02:21 741Read more: http://javarevisited ...
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