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?
How to store and query spatial data?
How do temporal tables work?
Explain what is hadoop?
What does the dummy header in linked list contain?
Describe your work style.
How you can delete excel file in qtp?
Please post HSBC linguistic round interview questions with answers, favourite teacher, favourite holiday spot, about colors, about picture discussions, please post these questions if anyone faces HSBC interview its a cruical round, everyone flunks mostly here so if everyone posts these questions it will be helpful to all
Differences between C and Java?
how would you determine the number of missing or nonmissing values in computations? : Sas programming
What is a de-referenced variable?
What is difference between mysql and mysql workbench?
Define Custom settings in salesforce?
Are the names of all element types and attributes in some xml namespace?
What is a range in excel?