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Explain different data types in Java.

Filed under: Java Interview Questions on 2024-10-25 14:32:31
There are 2 types of data types in Java as mentioned below:Primitive Data TypeNon-Primitive Data Type or Object Data typePrimitive Data Type: Primitive data are single values with no special capabilities. There are 8 primitive data types:boolean: stores value true or falsebyte: stores an 8-bit signe

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