Java 将字符串转换为双精度示例

​

​

public class Main {

​

 /*

 来 自*

  时 代 J a v a

 */

​

  public static void main(String[] args) {

​

    //1. Construct Double using constructor.

​

    Double dObj1 = new Double("100.564");

​

    System.out.println(dObj1);

​

​

    //2. Use valueOf method of Double class. This method is static.

​

    String str1 = "100.476";

​

    Double dObj2 = Double.valueOf(str1);

​

    System.out.println(dObj2);

​

​

    /*

​

    To convert a String object to a double primitive value parseDouble method

​

    of Double class. 

​

    */

​

    String str2 = "7.39";

/**代码未完, 请加载全部代码(NowJava.com).**/