One of the classic interview Questions asked on Java collection framework, This is pretty old and programmer who has been working in Java for 4 to 6 years must have seen this question before. WellIterator and ListIterator in Javais a new way to iterator collection in Java and provides abilit...
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java interview question:what do we mean when we say memory is managed in java? what is the garbage collector? in languages like c the developer has direct access to memory. the code literally references memory space addresses. this can be difficult and dangerous, and can result in damaging m...
Networking Interview Questions 132)How do I convert a numeric IP address like 192.18.97.39 into a hostname like java.sun.com? By InetAddress.getByName("192.18.97.39").getHostName() where 192.18.97.39 is the IP address. Reflection Interview Questions 133) What is reflection? Reflection is the ...
Best collection of Java Interview resources including books, courses, interview questions and answers on different topics like core java, collections, mutlithreading, functional programming, serialization, design patterns and more. - GitHub - javabuddy/
In the following example, we will create aMapwith the Integers in theListas keys and the square of the Integer as the value. varunmodifiableMap=Stream.of(1,2,3,4,5).collect(Collectors.toUnmodifiableMap(i->i,i->i*i)); 3. UsingStream.toList()– Java 16 ...
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Popular interpreted languages include JavaScript, Python, Ruby, and PHP. In contrast, compiled languages like C++ or Java are translated into machine code or an intermediate code before execution, and the resulting executable file is then run by the computer's hardware. Each approach (interpreted ...
private void writeObject(java.io.ObjectOutputStream out) throws IOException private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException These methods are already discussed in great details under article Everything You Need to Know About Java Serialization. readObjectNo...
Rich data structure, in addition to supporting string type value, it also supports hash, set, zset, list and other data structures. Supports master-slave replication, the master will automatically synchronize data to the slave, and read and write can be separated. ...