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In real time project when will we use Abstract class. and what are the difference between abstract and interface.
DELL, FCS, Polaris, Tanla Solutions, TCS,
6 22911what is polymorhism what is inheritance? what is Abstract n Interface? what if two interfaces have same method and a concrete class is implementing both the interfaces. Will there be a compilation error? What are mutable and immutable classes? How can u make a class mutable? when will u use dem ...explain with example? what is overriding and overloading? what is garbage collection? what is Thread? how do dey communicate? what are the different ways of implementing ? have u used any messaging technologies? what is synchronization? what are some additions in java 1.5? what are generics? whst is advanced for loop? what is finally block? can u have a try in finally? yes!! can u have a finally in finally? how do you write junits? when is a object eligible for garbage collection?explain? a = null and b has ref to a will b be eligible to be garbage collected? sql questions like diff joins? how do dey work? exception handling? what is marker interface? what is the need??
2220how can you switch onemodule to another module by switch action class plz explain with exapmle?
1 21258how can you retrive information from database by using hashmap/arraylist ,plz explain with example briefly?
1 7191how can u handle run time exception in java? explain with brief explanation with examples?
CTS,
2 10583what is session tracking?what are types of session tracking ?and when to cookies,when to use sessionmanagement,whent use url rewriting technique,plz explain briefly?
6 4576123. Storage space in java is of the form Stack Queue Heap List 24. What is java code embedded in a web page known as Applets Servlets scriptlets snippets 25. Which of the following attributes are compulsory with an
TCS,
1 2523what is the difference between *.do & /do.*/? So what is the diffenence btn extension mapping & path mapping.What is those difference in work effect?
6 13537
How is declarative handling of exceptions done in struts ?
i want test pattern of zylog company and some examples also
Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example
What is an object in java and how is it created?
explain different ways of using thread? : Java thread
What do you know about validation plugin ?
hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code
Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance
Is minecraft 1.15 out?
What are the differences between heap and stack memory in java?
What is a constructor overloading in java?
Write a program to print count of empty strings in java 8?
How can you inject java collection in spring?
Write a program to find the whether a number is an Armstrong number or not?
What is difference between @controller and @restcontroller in spring?
