If you want to enrich your career and become a professional inCore Java,then visitMindmajix- a globalonline trainingplatform: "Core Java Online Course". This course will help you to achieve excellence in this domain. Java Stream Interview Questions For Freshers 1) Predicate: What Is It? A p...
For any given file,Write a Java programto find a line with maximum number of words in it is a very commoninterview question. In other words, write a Java program tofind longest line from file. In this tutorial we will go over all detailed steps to programatically figure out longest line....
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LeetCode Top Interview Questions 295. Find Median from Data Stream (Java版; Hard) 题目描述 Median is the middle value in an ordered integer list. If the size of the list is even, there is no middle value. So the median is the mean of the two middle value. For example, [2,3,4],...
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124)How will you invoke any external process in Java? ByRuntime.getRuntime().exec(?) method. I/O Interview Questions 125)What is the difference between the Reader/Writer class hierarchy and the InputStream/OutputStream class hierarchy?
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So here is the first method usingfilter()and written in functional style in Java privatestaticSocketgetActiveOrNewSocket(Supplier<Socket> socketSupplier) { return Optional.ofNullable(socketSupplier.get()).filter(Socket::isConnected).orElseGet(() -> createNewSocket("localhost", PORT)); ...
1. UsingCollectors.collectingAndThen()– Java 8 TheCollectors.collectingAndThen()was introduced inJava 8as part oflambda expressionchanges. This method takes two parameters a collector and a finishing function. Arrays.asList(1,2,3,4,5).stream().collect(Collectors.collectingAndThen(Collectors.toLi...