If you’re interviewing for a Java programming role, then your coding skills will probably be tested. Whether you’re a beginner in Java or an expert programmer, this article provides some common Java interview
Basic Java Collection Interview QuestionsQ1. What is the difference between the Map interface and the Collection interface in Java's collection framework? The Map interface is part of the collection framework but does not extend the Collection interface. This is because Map represents a mapping of ...
OutOfMemoryError in Java is a subclass of java.lang.VirtualMachineError and it’s thrown by JVM when it ran out of heap memory. We can fix this error by providing more memory to run the java application through java options.$>java MyProgram -Xms1024m -Xmx1024m -XX:PermSize=64M -...
Intermediate Java interview questions and answers 1. What is the difference between the creation of a string using new() and that of literal?Hide Answer A new object is created when using new() whereas using literal, the object already existing might return with the same name. 2. What is ...
Java is one of the most popular Object-Oriented Programming languages. If you are a Java developer preparing for software engineering interviews, practicing answers to interview questions on Java OOPS concepts is essential. During interviews for freshers and experienced programmers, recruiters typically ...
publicclassTest{publicstaticvoidmain(String[]args){inti=10;m1(i);//Test.java:4: error: incompatible types: int cannot be converted to Long}publicstaticvoidm1(Longi){...}} 1.6. What are early binding and late binding (method overriding)?
Most Java garbage collection interview questions include the topic of JVM pause times and the significance of stop-the-world events. 5. What is generational garbage collection? The JVM splits allocated memory into four separate spaces: eden ...
In this post, we will some important interview questions specifically on Java 8. Java has changed a lot over years and Java 8 has introduced many new features which you need to know when you are preparing for Java interview. Here is a list of most asked Java 8 interview questions....
Top 25 Java Interview Questions : 1. Which two method you need to implement for key Object in HashMap ? In order to use any object as Key in HashMap, it must implements equals and hashcode method in Java. ReadHow HashMap works in Javafor detailed explanation on how equals and hashcode...
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