Blog: Java concept of the day (Pramod Bablad) |
|
210 blogs
updated: 65 min. ago
|
||
|
HashMap, HashTable and ConcurrentHashMap are three most important data structures of Java Collection Framework. All three hold the data in t...
|
||
|
HashMap and ConcurrentHashMap are two important data structures in Java. Both hold data in the form of key-value pairs. HashMap is the part ...
|
||
|
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, -...
|
||
|
Problem : Write a Java program or function which sorts an array containing only 0s and 1s without using any inbuilt methods. For example, if...
|
||
|
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...
|
||
|
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...
|
||
|
Disarium Number Program In Java : Write a Java program or function which checks whether given number is Disarium number or not. Your program...
|
||
|
Problem : Write a Java program or function which prints all substrings of a given string. Your program should take input string from the use...
|
||
|
Java 8 Stream has many operations which can be pipe lined together to get desired result. Some operations produce another stream as a result...
|
||
|
Java 8 map() and flatMap() are two important methods of java.util.stream.Stream interface used for transformation or mapping operations. Bot...
|
||