What is the difference between heap memory and stack memory?
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List the interfaces which extends collection interface?
How do you remove an element from an arraylist in java?
What is a lambda expression ? What's its use ?
Why is core java important?
Can we define a package statement after the import statement in java?
What is an enumeration class?
After compilation of java program we'll get .class code. If it's generated in OS Windows XP will it work on OS Linux? If yes why? If no why?
What is a marker interface?
What is constructor
9 Answers Manforce, Tech Mahindra,
How to sort a vector elements that contains the user define class object? (Note: If Suppose consider, A Student class contain two data members. They are String studentName and int rollNo. I am creating Four objects for this class, each object contains students details like name and roll no. Now i am storing that objects in vector and if i retiving the elements from the vector means then it should be display in sorting order)
3 Answers ProdEx Technologies,
What is slash r?
Scenario: There are 1 to 100 numbers. Each number should be keep in the each column like from A column to Z column ie 1 to 26. From 27 to 52 should be in 2nd row in the excel sheet. This has to be continue till 100. How do you write Java program and what are various methods.