Blog: Java concept of the day (Pramod Bablad)


210 blogs updated: 68 min. ago
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
How To Sort Array Of 0s And 1s In Java?
Problem : Write a Java program or function which sorts an array containing only 0s and 1s without using any inbuilt methods. For example, if...
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07-06-2020 10:43:01 Java concept of t ... (Pramod Bablad) Beginners
How To Find Array Triplets Whose Sum Is Equal To Given Number?
Problem : Write a Java program or function which finds triplets in the given array whose sum is equal to given number. For example, if [7, 5...
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25-05-2020 17:35:36 Java concept of t ... (Pramod Bablad) Beginners
How To Find Smallest And Second Smallest Element In An Integer Array?
Problem : Write a Java program or function to find smallest and second smallest element in an integer array. For example, if {17, 11, 23, 64...
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03-05-2020 12:52:29 Java concept of t ... (Pramod Bablad) Beginners
Disarium Number Program In Java
Disarium Number Program In Java : Write a Java program or function which checks whether given number is Disarium number or not. Your program...
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23-03-2020 16:56:07 Java concept of t ... (Pramod Bablad) Beginners
Print All Substrings Of A String In Java
Problem : Write a Java program or function which prints all substrings of a given string. Your program should take input string from the use...
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12-02-2020 11:26:16 Java concept of t ... (Pramod Bablad) Beginners
Java 8 Stream Intermediate And Terminal Operations
Java 8 Stream has many operations which can be pipe lined together to get desired result. Some operations produce another stream as a result...
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09-01-2020 10:14:09 Java concept of t ... (Pramod Bablad) Beginners
Differences Between Java 8 map() And flatMap()
Java 8 map() and flatMap() are two important methods of java.util.stream.Stream interface used for transformation or mapping operations. Bot...
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08-12-2019 15:32:44 Java concept of t ... (Pramod Bablad) Beginners
Java 8 Merge Two Maps With Same Keys
Problem : Write a Java 8 program or function which merge two maps with same keys. Your program should take two maps (which may have same key...
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26-11-2019 15:44:28 Java concept of t ... (Pramod Bablad) Beginners
Merge Two Arrays Into Single Sorted Array Without Duplicates In Java
Problem : Write a Java program or function which takes two integer arrays (Sorted or Unsorted) as input and merge them into single sorted ar...
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14-11-2019 11:02:29 Java concept of t ... (Pramod Bablad) Beginners


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