Convert array to ArrayList java
In this article, we are converting an array to ArrayList in Java. We will discuss three different ways to do…
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Java pass by reference
Is java pass by reference? The answer is NO. Java is always pass-by-value. Today we will learn java pass by reference and java pass…
What is the difference between public, protected and private in Java?
Public, Private and Protected are called access modifier in java. This are the reserved keyword in java. They are defined…
What are the differences between HashMap and Hashtable in Java?
Hashtables and HashMaps are both used to store data in key-value pairs. To store unique keys, both use the hashing…
Java Interview Question for beginners
Define class loader and its type in java
Java class loader is mainly responsible for loading java classes during runtime dynamically to the Java Virtual Machine(JVM). Classloader is…
Java Interview Question for beginners
Differences between Exception and Error in java
java.lang.Error and java.lang.Exception both are subclass of java.lang.Throwable class. You can not recover error but you can recover exception by…