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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.
Give a example of Using toString() Methods ? Below is a version of CarTest in which uses toString() and System.out.println() instead of printing the fields in a straight line
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Write a programme to create a webpage that prints the name of the STUDENT database in Wide Latin font and set the subtitle with description of the STUDENT to the screen. Set the pa
What is Invoking static methods If a method or field is declared static, you access it through using the class name rather than a reference to a particular example of the class
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What is an Applets? Applets: These are small java programs. They can send from one to another computer over internet by using Applet Viewer which supports java. Applets
The benefits of Spring are as follows: ? Spring has layered architecture. Use what you require and leave you don't require now. ? Spring Enables POJO Programming. There is no
what is java program
How do you set up a nested class?
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