Blog: Java concept of the day (Pramod Bablad)


218 blogs updated: 52 min. ago
Java Servlet API
Java servlet API consist of two packages. One is javax.servlet and another one is javax.servlet.http. javax.servlet package contains all the...
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22-01-2021 13:10:18 Java concept of t ... (Pramod Bablad) Beginners
Java Servlets Architecture
Servlet is one of the server-side programming language which runs on Java enabled server. It is used to develop web based applications. As i...
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12-01-2021 13:15:36 Java concept of t ... (Pramod Bablad) Beginners
Differences Between Iterator Vs Spliterator In Java 8
Spliterator is added to the group of Java iterators from Java 8. Spliterator splits and iterates a set of elements which is very useful in p...
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03-01-2021 18:58:02 Java concept of t ... (Pramod Bablad) Beginners
Java 8 Spliterator
Enumeration, Iterator and ListIterator till Java 7, these three iterators are available in Java. From Java 8, Spliterator is added to this g...
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19-12-2020 10:14:22 Java concept of t ... (Pramod Bablad) Beginners
Java 8 Optional Class
Tony Hoare, a British computer scientist, is invented null references in 1965 as a part of ALGOL-W programming language. In 2009, he admitte...
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02-12-2020 15:50:55 Java concept of t ... (Pramod Bablad) Beginners
How To Find Array Triplets With Sum Of Two Elements Equals Third?
Problem : Write a Java program or function to find array triplets with sum of two elements equals third element. For example, [21, 13, 47, 6...
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28-10-2020 22:30:59 Java concept of t ... (Pramod Bablad) Beginners
How To Sort An Array Of 0s, 1s And 2s In Java?
Problem : Write a Java program or function which sorts an array containing only 0s, 1s and 2s. Your program should take an integer array of ...
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07-10-2020 02:24:55 Java concept of t ... (Pramod Bablad) Beginners
Synchronized HashMap Vs HashTable Vs ConcurrentHashMap In Java
HashMap, HashTable and ConcurrentHashMap are three most important data structures of Java Collection Framework. All three hold the data in t...
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19-08-2020 17:11:09 Java concept of t ... (Pramod Bablad) Beginners
HashMap Vs ConcurrentHashMap In Java
HashMap and ConcurrentHashMap are two important data structures in Java. Both hold data in the form of key-value pairs. HashMap is the part ...
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16-07-2020 15:20:30 Java concept of t ... (Pramod Bablad) Beginners
Contiguous Sub Arrays With Given Sum (Works For Both Positive And Negative Numbers)
Problem : Write a Java program or function which prints all contiguous sub arrays with given sum. For example, if [5, -9, 4, -2, 7, 1, -4, -...
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22-06-2020 18:18:06 Java concept of t ... (Pramod Bablad) Beginners


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