* returns a string consisting of the name of the class of which the * object is an instance, the at-sign character `<code>@</code>', and * the unsigned hexadecimal representation of the hash code of the * object. In other words, this method returns a string equal to the * value o...
1.toString()方法 在java中,所有对象都有toString()这个方法 创建类时没有定义toString方法输出对象时会输出哈希码值 它通常只是为了方便输出,比System.out.println(xx),括号里面的"xx"如果不是String类型的话,就自动调用xx的toString()方法 它只是sun公司开发java的时候为了方便所有类的字符串操作而特意加入的一个...
* getClass().getName() + '@' + Integer.toHexString(hashCode())</pre> * <p>See <a href="{@docRoot}reference/java/lang/Object.html#writing_toString">Writing a useful * {@code toString} method</a> * if you intend implementing your own {@code toString} method. * * @return a prin...
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在Oracle的某一Java的文档里,有这样一段话,”你应该总是重写在你的类里重写toString()方法。“ You should always consider overriding the toString() method in your classes. The Object’s toString() method returns a String representation of the object,which is very useful for debugging.The String rep...
1.1 概述 java.lang.Object类是Java语言中的根类,即所有类的父类。它中描述的所有方法子类都可以使用。在对象实例化的时候,最终找的父类就是Object。...覆盖重写如果不希望使用toString方法的默认行为,则可以对它进行覆盖重写。...} // 省略构造器与Getter Setter } 在IntelliJ IDEA中,可以点击Code菜单中的Ge...
Returns aStringobject representing the specified character (Unicode code point). The result is a string of length 1 or 2, consisting solely of the specifiedcodePoint. Added in 11. Java documentation forjava.lang.Character.toString(int).
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testingjava-frameworkequalitytest-automationtestshashcodetest-coveragepojoconstructorsettersgetterspojosequalspojo-testingpojo-testertostring UpdatedJul 26, 2022 Java softwaremill/stringmask Star48 Code Issues Pull requests A micro-library for macro-based case class field masking in .toString ...
2、内定义为:返回一个类名hashcode的字符串,可以overridden用来返回你认为有用的信息,toStrng 没有 argumentsoverride : public String toString ( ) / insert you codereturn informations因为在java中Object类是基类,所以每个类都会有toString方法。System.out.println ( Object)实际上就是调用 object 的 toString 方...