Parse number with NumberFormat and Locale : 数字格式 « 数据类型 « Java

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Java 教程
Java » 数据类型 » 数字格式屏幕截图 
Parse number with NumberFormat and Locale
 
   
import java.text.NumberFormat;
import java.util.Locale;

public class Main {
  public static void main(String[] argv) throws Exception {

    Number number = NumberFormat.getCurrencyInstance(Locale.GERMANY).parse("$123.45");
    if (number instanceof Long) {
      System.out.println("Long value");
    } else {
      System.out.println("Double value");
    }
  }
}

   
  
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11. precision modifier: Display at most 15 characters in a string
12. left justification: Right justify by default
13. left justification: left justify
14. Demonstrate the space format specifiers.
15. 使用参数指数
16. the NumberFormat object is created once when the program starts.
17. 默认情况下四舍五入模式
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21. Format a number our way and the default way
22. Number Format Test Number Format Test
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35. 格式为默认的locale
36. 显示号码用逗号
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38. Using only 0's to the left of E forces no decimal point
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41. 剖析了一些地区的
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