# JDK, JRE and JVM kya hota h or iski full form ?
# public static void main(String args[]) kis lia use krte h or iska kya mtlb h ?
# Java platform independent kyu h ?
# wrapper classes kya hote h? Explain kro ?
# constructors kya hote h or isko hm program mai kyu use krte h ?
# Kya java 100% Object-oriented h ? agr hm to kyu ?
# Array list and vector k bich mai kya difference h ?
# Java Packages kya hote h or hm isko kyu include krte h apne program mai ?
# Heap and Stack Memory ka difference ?
# (=) or (==) Kya difference h ?
# Polymorphism kya hota h ?
# Abstract classes and interfaces k bich mai Difference h ?
# method overloading and method overriding kya h or kis lia use hota h ?
# kya private or static method ko override kia ja skta h ?
# singleton class kya hote h ?
# Multiple inheritance kya h ? Or Kya ye java mai use hote h ya ni ?
# data encapsulation kya hota h ? or isko hm kyu use krte h ?
# java mai loops kittne types k hote h ?
# ternary operator kya hota h or hm isko kyu use krte h ?
# infinite Loop kya hota h or kyse use krte h code likh k dikho ?
# continue and break statement kya hota h ?
# Double and float variables mai kya difference h ?
# Final Keyword kya hota h example k sath explain kro ?
# Default switch case kya hota h ? code likh k example do ?
# Generate random numbers ka program bna k dikho ?
# kya main() method koi data return krta h ya ni ?
# jb hm koi package import krte h to kya uske sub-package automatic import hota h ya ni ?
# hm serialization kb use krte h java mai ?
# kb constructor class invoked hota h ?
# kya yek class mai multiple constructors ho skte h ??
Important Java interview Questions and Answers in Hindi | Java के इंटरव्यू क्वेश्चन और आंसर
# Ismai kittne String Objects create kye h (how many String Objects are created Below)
String s1=”I am in delhi”;
String s2=”I am not here”;
String s3=”I am sleeping”;
# Strings Immutable kb hota h ?
# multi-threading kis lia use hota h ?
# Runnable Interface kya hota h ?
# garbage collection kya hota h ?
# Stack and Queue k bich mai kya difference h ?
# hm kyse disallow kr skte h serialization of variables
# kya JDK install kre bina hm java k program ko run kr skte h ??
# anonymous class kya hota h ?
.
# kya ye shi trikka h class declaration krne ka ?
public abstract final class testClass {
// Class and objects
}
