JAVA应用当中的数字格式化之科学计数法转数字

java代码

 

public static void main(String[] args) {
    String sjiachun = "2.0E+7";//2.0E-7
    BigDecimal db = new BigDecimal(sjiachun);
    String ii = db.toPlainString();
    System.out.println(ii);
}