Can you explain the difference between 'this' and 'super' in Java?
Sure! In Java, 'this' refers to the current object, while 'super' refers to the superclass of the current object.
Can you give me an example of how to use 'this'?
Of course! 'this' is often used in constructors to differentiate between instance variables and parameters. For example:
class Example {
private int value;
public Example(int value) {
this.value = value; // 'this.value' refers to the instance variable
}
}
And what about 'super'? How is it used?
'super' is used to call the superclass's methods or constructors. For example:
class Parent {
Parent() {
System.out.println("Parent constructor");
}
}
class Child extends Parent {
Child() {
super(); // Calls the Parent constructor
System.out.println("Child constructor");
}
}
Thanks! That makes it clearer. Can you summarize when to use each?
Certainly! Use 'this' when you need to refer to the current object's fields or methods, and use 'super' when you want to access methods or constructors from the parent class.
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