Interview Questions

A is wrong because a class can extend nly one class .B is wrong because a class can implement any number of interfaces.C is wronb because both can can be done simulteneously.So, D is correct

Data binding is an automatic synchronization of data between model and view components. ng-model directive is used in Data binding.

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

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();

}

}

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

Regression test cases are also based on the requirement documents. They are written more into detail and with every release (build), the testers need to do regression testing. The criteria for regression testing are; there should be no major defects while we do our smoke test and functional testing.

Tax Collected at Source (TCS) is income tax collected in India payable by the seller who collects in turn from the buyer and it is provided under section 206C of Income Tax Act, 1961 at the sale of some goods which are specified.

E - TCS  is the process of filing TCS returns through electronic media. It is necessary for government and corporate collectors to file TCS returns in its electronic form. Collectors (other than government) have the provision to file TCS returns in physical form or electronic form.

A loss (or losses) from previous years carried forward in order to offset future earnings. This reduces the tax burden for the years with profit as the accumulated losses are deducted from the taxable profit.