Blog: Java concept of the day (Pramod Bablad) |
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203 blogs
updated: 68 min. ago
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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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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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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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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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In previous post, we have seen how to sort HashMap by keys using Java 8 comparingByKey() method. In this post, we will see how to sort HashM...
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HashMap, LinkedHashMap and TreeMap are three most popular Map types. LinkedHashMap maintains insertion order i.e elements are stored as they...
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Problem : Write a Java program or function which takes an integer array as input and sort array elements in descending order of their freque...
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Problem : Write a Java program or function which takes MxN matrix as input and find elements which are common in all rows of a matrix. For e...
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Problem : Write a Java program or function which takes an integer array as input and prints contiguous subarray with maximum sum. For exampl...
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Problem : Write a Java program or function which takes two strings as input and print common characters between them in alphabetical order. ...
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