是所有 Java 类都直接或间接继承了Object类,而Object类中有一个默认的toString()方法,源码如下(基于JDK11): /** * Returns a string representation of the object. In general, the * {@codetoString} method returns a string that * "textually represents" this object. The result should * be a conci...
It’s always a good idea to provide some documentation regarding the output of toString() method. For example, someone should not use my toString() implementation to convert object to JSON string. That’s why I have explicitly added that implementation can change in future. You should always ...
yyyy is the year, as four decimal digits. Package:java.util Java Platform:Java SE 8 Syntax: toString() Return Value: a string representation of this date. Return Value Type:string Example: Java Date.toString() Method import java.util.Date; public class Main { public static void main(String...
Note: TheObjectclass is the superclass for all the classes in Java. Hence, everyclassandarrayscan implement thetoString()method. Example 2: toString() with Array classMain{publicstaticvoidmain(String[] args){// toString() with array// create an arrayString[] array = {"Python","Java","C"...
“com.marcusbiel.java8course” and you instantiate a BMW object, a call togetClass().getName()will return “com.marcusbiel.java8course.BMW”. TheInteger.toHexString(hashCode())method creates a hexadecimal representation of the object’s hashCode. Here is a brief example of a method that ...
Example 1 – toString() In this example, we will create a StringBuilder object and initialize with some string passed as argument. We will get the string from the StringBuilder using toString() method. Java Program </> Copy classExample{publicstaticvoidmain(String[]args){// create a StringBui...
The following example fills aJava Currency class: toString() Method import java.util.*; public class Main { public static void main(String args[]) { // Create a currency with specific currency code Currency curr = Currency.getInstance("YER"); ...
Level.ToString Method Reference Feedback Definition Namespace: Java.Util.Logging Assembly: Mono.Android.dll Returns a string representation of this Level. C# Kopiatu [Android.Runtime.Register("toString", "()Ljava/lang/String;", "")] public override sealed string ToString (); Returns ...
* For example, if the value of the line number is 123, the last * four characters of the string representation will be "0123". * * Note that there is a single space separating the closing * parenthesis after the area code from the first digit of the ...
Java.Lang.Annotation AnnotationFormatError AnnotationTypeMismatchException Documented DocumentedAttribute ElementType IAnnotation IAnnotation 方法 AnnotationType Equals GetHashCode ToString IDocumented IInherited INative IncompleteAnnotationException Inherited InheritedAttribute ...