package homework006; public class Worker { private int age; private String name; private double salary; public Worker() { } public Worker(String name, int age, double salary) { this.name = name; this.age = age; this.salary = salary; } public int getA
package org.ljh.test.javaee; import java.text.SimpleDateFormat; import java.util.Date; public class StringToLongToDate { public static String parseTime(String s){ //将字符串转化为Long类型 Long timeLong = Long.parseLong(s); //将Long类型转化为Date Date date = new Dat
转载:http://www.csharp-examples.net/string-format-double/ he following examples show how to format float numbers to string in C#. You can use static method String.Format or instance methods double.ToString and float.ToString. Digits after decimal point
package org.ljh.test.javaee; import java.text.SimpleDateFormat; import java.util.Date; public class StringToLongToDate { public static String parseTime(String s){ //将字符串转化为Long类型 Long timeLong = Long.parseLong(s); //将Long类型转化为Date Date date = new Dat
Convert List, string. A List can be converted to a string. This is possible with the ToArray method on the List type. We can also convert a string into a List.ConversionsThe StringBuilder type helps with certain conversions, which are done with loops
之前写的方法,使用try catch来处理 如果能捕获异常就说明问题 public bool CheckLegal() { double number; bool flag = true; try { foreach (Control c in groupBox1.Controls) { if (c is TextBox) { number = Convert.ToDouble(c.Text.Trim()); } } foreach (Control c in groupBox2.Control
String: 1.返回Long包装类型: String str = "aaa"; long l = Long.parseLong([str]); 2.返回long基本数据类型: String str = "aaa"; long l = Long.valueOf("str ").longValue(); int : 1.返回long基本数据类型: int a = 1; long b = (int)a; 2.返回Long包装类型: int a =