该方法属于Java的反射机制，其返回值是Class类型，例如 Class c = obj.getClass();。通过对象c，我们可以进一步获取该对象的所有成员方法，每个成员方法都是一个Method对象。我们也可以获取该对象的所有成员变量，每个成员变量都是一个Field对象。同样的，我们也可以获取该对象的构造函数，构造函数则是一个Constructor...
一:子类没有重写Object类中的toStrinng方法时的输出 publicclassToStringUse{publicstaticvoidmain(String[] args){// TODO Auto-generated method stubA1 a1=newA1(12,"chentao"); System.out.println(a1.toString());//此时子类A1没有对根父类Object类中的toString没有进行重写}classA1{intage; String name;...
1.当我们输出一个对象的引用是,实际上调用的是当前对象的toString(); 2.Object的定义: public String toString() { return getClass().getName() + "@" + Integer.toHexString(hashCode()); } 3. String Date File 包装类等都重写过toString()方法,使得在调用对象的实体时,返回“实体信息”; 4.自定义类...
The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the ...
ThetoStringmethod for classObjectreturns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value ...
toString()方法: Object类中tostring()的使用 1.当我们输出一个对象的引用是,实际上调用的是当前对象的toString(); 2.Object的定义: public String toString() { return getClass().getName() + "@" + Integer.toHexString(hashCode()); } 3. String Date File 包装类等都重写过toString()方法,使得在调用...
Types commonly override the ToString method to return a string that represents the object instance. For example, the base types such asChar,Int32, andStringprovide ToString implementations that return the string form of the value that the object represents. The following example defines a class, ...
Object.ToString Method Reference Definition Namespace: System Assemblies: netstandard.dll, System.Runtime.dll Source: Object.cs Returns a string that represents the current object. C#Copy publicvirtualstring? ToString(); Returns String A string that represents the current object. ...
//} } public class ObjectTest { public static void main(String[] args) { Dog dog=new Dog("乔治"); System.out.println("dog一号="+dog); System.out.println("dog二号="+dog.toString()); } } 上述代码执行结果如下图所示：从
這個java.io.ObjectStreamClass.toString()方法返回描述此 ObjectStreamClass 的字符串。 聲明 以下是聲明java.io.ObjectStreamClass.toString()方法。 public String toString() 參數 NA 返回值 此方法返回對象的字符串表示形式。 異常 NA 示例 下麵的例子展示了使用java.io.ObjectStreamClass.toString()方法。 packa...