); } void invokeDisplay() { this.display(); } public static void main(String[] args) { ThisMethodExample obj = new ThisMethodExample(); obj.invokeDisplay(); } } Powered By Here, the this keyword is used to invoke the display method from within the invokeDisplay method. Example 3:...
java语言给了keywordthis这个功能,那就是用this调用构造函数,并且也是通过參数不同选择调用不同的构造函数. 我们来看一个样例: classPerson{privateStringname;privateintage;Person()//构造方法1{System.out.println("person run");}Person(Stringname)//构造方法2{=name;}Person(Stringname,intage)//构造方法3{=...
public class keywordtest { private string name; class thisinnerclass { boolean isinnerclass = true; public thisinnerclass() { keywordtest thiskeyword = keywordtest.this; string outerstring = keywordtest.this.name; } } } here, inside the constructor, we can get a reference to the keywordtes...
for example in a method that compares two objects and we want to make sure that the accepted objects are Comparables. To declare a bounded type parameter, list the type parameter’s name, followed by the extends keyword, followed by its upper bound, similar like below method. ...
These expressions involve creating an instance of a class. Thenewkeyword is used followed by the class constructor. publicclassMain{staticclassDog{Stringname;Dog(Stringname){this.name=name;}voidbark(){System.out.println(this.name+" says woof!");}}publicstaticvoidmain(String[]args){DogmyDog=...
Using the this KeywordWithin an instance method or a constructor, this is a reference to the current object— the object whose method or constructor is being called. You can refer to any member of the current object from within an instance method or a constructor by using this. Using this ...
The this keyword in Java is used when a method has to refer to an object that has invoked it. It can be used inside any method to refer to the current object. This means that this is always used as a reference to the object on which the method was invoke
Theextendskeyword is used to indicate that a class is inheriting from another class. The child class gains access to the parent class’s methods and fields. Here’s an example: // Parent classclassAnimal{voidmakeSound(){System.out.println("Animal makes a sound");}}// Child class inherit...
//Java program to demonstrate use of this keyword public class ExThis { private String name; private int age; private float weight; //without using this keywords public void getDetailsWithoutThis(String name, int age, float weight) { name=name; age=age; weight=weight; } //using this ...
问eclipse content assist中标记为静态的Java "this"-keywordEN以前写代码挺流畅的，最近老是出现这个问题...