Explain the usage of indexOf() and lastIndexOf() methods with one example each Answer:- indexOf() and lastIndexOf() Methods in Java Both methods are used to find the position (index) of characters or substrings in a String. They return the zero-based index…
Overloaded Constructors of the String Class in Java The String class provides several overloaded constructors to create string objects in different ways. Each constructor behaves differently based on the type of argument passed. 1. String() Output: 2. String(String original) Behavior:…
Differentiate between String, StringBuffer, and StringBuilder classes with focus on mutability, performance, and thread safety. Answer:- Here is a clear and concise comparison between String, StringBuffer, and StringBuilder in Java based on mutability, performance, and thread safety: 1. String Feature…
Describe all the string comparison methods available in java with examples. Answer:- String Comparison Methods in Java Java provides several methods to compare String values. These methods can compare based on content, lexicographical order, or case-insensitive equality. 1. equals(String anotherString)…
Describe the concept of Spliterators in Java. Enumerate the key methods provided by the Spliterator interface. Illustrate the usage of Spliterators with a suitable example. Answer:- Spliterator in Java A Spliterator (split + iterator) is an advanced iterator introduced in…
What are legacy classes? Explain any four legacy classes of java’s collection framework with suitable programs. Answer:- Legacy Classes in Java Collection Framework Legacy classes are the original classes provided in earlier versions of Java (before Java 2), which were…
Discuss the various methods provided by the Array class in Java. Illustrate the usage of these methods with a suitable example program. Answer:- Arrays Class in Java The Arrays class belongs to the java.util package and provides utility methods to…
Define a Comparator. Mention the methods provided by the Comparator interface. Illustrate its use with a program that demonstrates sorting elements in a TreeSet in reverse order. Answer:- Comparator Interface in Java A Comparator is an interface used to define…
BDS602 – Artificial Intelligence and Machine Learning Solved Important Questions with answers Module – 1 1] What is Artificial Intelligence? Discuss the 4 categories of AI, foundations and history of AI. 2] Identify the Turing test approach to provide a…
vacuum-cleaner world Answer:
