Whenever we print an object reference, it invokes thetoString()method internally. So, if we don’t define atoString()method in our class, thenObject#toString()is invoked. Object’stoString()method is pretty generic: publicStringtoString(){returngetClass().getName()+"@"+Integer.toHexString(ha...
java中 tostring java中tostring方法重写 一、在一个类中重写toString方法 public class Person { private String name; private int age; public Person() { } public Person(String name, int age) { = name; this.age = age; } public String getName() { return name; } public void setName(String ...
首先说说toString方法,简单的总结了下API说明就是:返回该对象的字符串表示,信息应该是简明但易于读懂的信息表达式,一般来说大部分的常见类都会重写这个方法。比如Collection会重写的该方法就会在集合前后加上[ ]中间的元素中间会加上。但是如果没有重写的话Object的默认的toString方法是返回:getClass().getName() + '...
In general, the method returns a string that “textually represents” this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method. The string output is not necessarily stable over time ...
* It is recommended that all subclasses override this method. * * 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...
作为method-invocation的参数,传递trainer1字段或显式表达式trainer1.toString(),甚至更长的this.trainer1.toString()。 然后可以从外部(例如在main中)调用该方法(它应该是public),如:arena.printTrainers();。 Code Example: public class Arena { private Trainer trainer1; private Trainer trainer2; // ...
publicoverridestring? ToString (); Returns String Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
publicoverridestring? ToString (); Returns String Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to terms described in theCreative Commons 2.5 Attribution License. ...
[Android.Runtime.Register("toString", "(JI)Ljava/lang/String;", "")] public static string ToString(long i, int radix); Parameters i Int64 alongto be converted to a string. radix Int32 the radix to use in the string representation. ...
public String toString() { return getClass().getName() + ‘@’ + Integer.toHexString(hashCode()); } Example 1 Example 1 shows how thetoString()method concatenates thegetClass().getName()method, an ‘@’ symbol and a hexadecimal value for theObject’s hashCode to create aStringthat repre...