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What is the use of Mbstring?
Why do people use linux?
What is a block in blockchain?
How to create a field?
Is there a windows 9?
Why the javascript validation not run on the asp.net button but run successfully on the html button?
List the data structures which are used in rdbms.
How we implement web farm and web garden concept in asp.net?
how many kg cement & fine sand reqird in one sq meter 1:6 mortar ratio?
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
Describe how to use megger to measure the earth resistance and insulation resistance
How to check for the httpd.conf consistency and any errors in it?
Is wordpress good for large websites?
what is the main usage of an abstract keyword?please follow the program class A { void display() { System.out.println("hai"); } void print() { } } class B extends A { void print() { System.out.println("Hello"); } } In this program i was gives the implementation of print() according to my requirements in subclass.And there is no definition in superclass then why we can use abstract keyword before a method that i want to gives definition in other classes,is any mistakes in the above usage of method?
