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How do you decide when to use HashMap and when to use TreeMap?
When we want to perform deletion, insertion and locate elements in a Map then HashMap is used.
Whereas TreeMap is used when we want to traverse elements in a sorted order. Depending upon size of collection, adding elements to HashMap is easy. But for sorted elements traversal we can convert HashMap into TreeMap.
Want an Android App to be Build What i want is a Taxi App for Android and if good price for iOS too. The App want to have a Website where to add Cars whit all information and
The Object class is the highest-level class in the Java class hierarchy. The Class is used to show the classes and interfaces that are loaded by a Java program..
Does Java pass arguments by value or reference? Ans) Pass by value. 1. When passing primitives, it going a copy of the variable to the method. Any change made in the method d
1. Create a text file (you can name it sales.txt) that contains in each line the daily sales of a company for a whole month. Then write a Java application that: a. asks the user fo
Why there is a need to use primary key in database ? Primary key is a constraint basically used in datdabase to uniquely identify the records in the database.
Give an example of Class or static Members? Below is a Car class along with such a speedLimit field and getSpeedLimit() method. public class Car { private String licensePla
QUESTION 3: Overloaded methods Write the overloaded method named average () for each of the following problems: a) The first method receives THREE (3) integer values and returns
Operator Functionality E x ample/Explanation = Sets one value equal to another counter=0 Sets the counter to equivale
The default nature of an object's clone() function automatically provides a shallow copy. So to need a deep copy the classes have to be edited or adjusted. Shallow co
#questionSmugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they
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