Technology Questions

use super keyword.

super keyword points immediate super class.

Class Sample {

int a =23;

 }

Class Sub extends Sample { 

 String a = "bablu";

 void show() {

 System.out.println(a); //bablu

 System. out. println(this.a); //bablu

 System. out.println(super.a); //23

}

}

Class Demo {

Public static void main(string[] args) {

sub s = new Sub();

s.show();

}

}

There is a decent page in the php manual on the subject, in short mysql_pconnect() makes a persevering association with the database which implies a SQL join that don't close when the execution of your script closes. mysql_connect()provides just for the database new association while utilizing mysql_pconnect , the capacity would first attempt to locate a (relentless) connection that is as of now open with the same host, username and password. On the off chance that one is found, an identifier for it will be returned as opposed to opening another connection... the connection with the SQL server won't be terminated when the execution of the script ends. Rather, the link will stay open for future use.

The function unlink() is to remove a file, where as unset() is used for destroying a variable that was declared earlier.

1.  An injector is a service locator.
2.  It is used to retrieve object instances as defined by provider, instantiate types, invoke methods and load modules.
3. There is a single injector per Angular application, it helps to look up an object instance by its name.

PHP is similar to the C style syntax in terms of keywords and language syntax.

If conditions, for and while loops, and function returns are similar in syntax to languages such as C, C++, C#, Java and Perl.

Allocaters are implemented in C++ standard library but it is used for C++ template library.

ll the above listed methods are used in storing sequential files