Answer Posted / deep

Super and This both are keywords and which has some predefined meaning..

Super - with the help of super, you could call super class constructor, method and member of super class..

This - it's used to avoid instance variable hiding, when local variable and instance variable has same name, then at time of assignment, local variable hides instance variable, so in order to get over this problem, this is used to refer instance variable..

class A {
int x; // instance variable
public void m(int x) {
x = x; // here local variable x hides instance variable
x.. so better use this to refer the instance variable

this.x = x; here this.x refer to instance variable and where another x is local variable
}

this is also used to call current class constructor and it can also used to pass current class constructor or method to another object..

you can also use this to call current class constructor or methods..

Rule: Call to this() must be the first statement in constructor or else it will result in compile time error..

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