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...
[张三疯, 月小升] com.javaer.examples.Girl@35960f05 我们发现ArrayList 直接输出,可以展示正常字符串。而Girl 就不太行了。显示com.javaer.examples.Girl@35960f05 因为Girl里面没有toString 方法。 ArrayList里有。 那么我们给Girl 加个方法 public String toString(){ return "ok,name:" + name + ",age:"...
Example 2 – toString() In this example, we will create a StringBuilder object and initialize with some string passed as argument. We will then append another string to this StringBuilder object. Then, we will get the string from the StringBuilder using toString() method. Java Program </> Co...
[Android.Runtime.Register("toString","()Ljava/lang/String;","")]publicoverridestring? ToString(); Returns String Implements ToString() Attributes RegisterAttribute Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used according to...
ToString(Int64, Int32) Returns a string representation of the first argument in the radix specified by the second argument. ToString(Int64) Returns a String object representing the specified long.ToString(Int64, Int32) Returns a string representation of the first argument in the radix specified...
Fields Properties Methods AddSuppressed Dispose FillInStackTrace Finalize FromException GetStackTrace GetSuppressed InitCause PrintStackTrace SetHandle SetStackTrace ToException ToString UnregisterFromRuntime Explicit Interface Implementations TypeNotPresentException ...
[Android.Runtime.Register("toString","()Ljava/lang/String;","GetToStringHandler")]publicoverridestringToString(); Returns String a string representation of the object. Attributes RegisterAttribute Remarks Returns a string representation of the object. In general, thetoStringmethod returns a string that...
3. Example examples of the use 标准注解 Standard annotation // 使用 @Override 注解标识该方法是重写父类的方法 @Override public String toString() { return "This is an example.";} 元注解 Yuan annotation @Retention(RetentionPolicy.RUNTIME)@Target(ElementType.METHOD)public @interface MyCustomAnnotation...
readAllBytes()method reads all the bytes from a file. The method ensures that the file is closed when all bytes have been read or an I/O error, or other runtime exception, is thrown. After reading all bytes, we pass those bytes toStringclass constructor to create a string. ...
ThetoString()method is used to convertBigDecimaltoString. It is available in the java class that extends thejava.lang.objectclass. It returns the string number as String output. Syntax: BigDecimal.toString() code: MathContextm=newMathContext(3);BigDecimalbg=newBigDecimal("3617E+4",m);System.ou...