You are here: Home / Topics / Page / 7

What is Java String Pool?

Filed under: Java Interview Questions on 2024-10-25 14:29:27
A Java String Pool is a place in heap memory where all the strings defined in the program are stored. A separate place in a stack is there where the variable storing the string is stored. Whenever we create a new string object, JVM checks for the presence of the object in the String pool, If String 

What is the difference between JVM, JRE, and JDK.

Filed under: Java Interview Questions on 2024-10-25 14:24:07
JVM: JVM also known as Java Virtual Machine is a part of JRE. JVM is a type of interpreter responsible for converting bytecode into machine-readable code. JVM itself is platform dependent but it interprets the bytecode which is the platform-independent reason why Java is platform-independent. J

What is a classloader? Java Interview Question

Filed under: Java Interview Questions on 2024-10-25 14:17:08
Classloader is the part of JRE(Java Runtime Environment), during the execution of the bytecode or created .class file classloader is responsible for dynamically loading the java classes and interfaces to JVM(Java Virtual Machine). Because of classloaders Java run time system does not need to know ab

What are Memory storages available with JVM?

Filed under: Java Interview Questions on 2024-10-25 06:55:36
JVM consists of a few memory storages as mentioned below:JVM consists of a few memory storages as mentioned below:Class(Method) Area: stores class-level data of every class such as the runtime constant pool, field, and method data, and the code for methods.Heap: Objects are created or objects are st

What is JIT in Java?

Filed under: Java Interview Questions on 2024-10-25 06:53:17
JIT stands for (Just-in-Time) compiler is a part of JRE(Java Runtime Environment), it is used for better performance of the Java applications during run-time. The use of JIT is mentioned in step by step process mentioned below:Source code is compiled with javac to form bytecodeBytecode is further pa

What is JVM?

Filed under: Java Interview Questions on 2024-10-25 06:51:47
JVM stands for Java Virtual Machine it is a Java interpreter. It is responsible for loading, verifying, and executing the bytecode created in Java.Although it is platform dependent which means the software of JVM is different for different Operating Systems it plays a vital role in making Java platf