Java Test-1 | Objective Questions | Interview questions | java basic coding

Java Test-1 | Objective Questions | Interview questions | java basic coding

Java is one of the most popular and widely used programming languages and platforms. A platform is an environment that helps to develop and run programs written in any programming language. Java is fast, reliable, and secure. From desktop to web applications, scientific supercomputers to gaming consoles, cell phones to the Internet, Java is used in every nook and corner.

Java is one of the most popular programming languages in the world, known for its versatility, portability, and wide range of applications. Java is the most used language in top companies such as Uber, Airbnb, Google, Netflix, Instagram, Spotify, Amazon, and many more because of its features and performance.

In this article, we will provide 200+ Core Java Interview Questions tailored for both freshers and experienced professionals with 3, 5, and 8 years of experience. Here, we cover everything, including core Java concepts, Object-Oriented Programming (OOP), multithreading, exception handling, design patterns, Java Collections, and more, that will surely help you to crack Java interviews.
Simple: Java is quite simple to understand and the syntax
Platform Independent: Java is platform independent means we can run the same program in any software and hardware and will get the same result.
Interpreted: Java is interpreted as well as a compiler-based language.
Robust: features like Garbage collection, exception handling, etc that make the language robust.
Object-Oriented: Java is an object-oriented language that supports the concepts of class, objects, four pillars of OOPS, etc.
Secured: As we can directly share an application with the user without sharing the actual program makes Java a secure language.
High Performance: faster than other traditional interpreted programming languages.
Dynamic: supports dynamic loading of classes and interfaces.
Distributed: feature of Java makes us able to access files by calling the methods from any machine connected.
Multithreaded: deal with multiple tasks at once by defining multiple threads
Architecture Neutral: it is not dependent on the architecture.

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[abhishekjain]

Abhishek Jain
1->class1, class2
2->
3->false
4->false
5->true
6->getCustomer
7->A
8->13
9->false
10->Super, this

[venkatram.]

1.) Class2
2.) OuterInner
3.) false
4.)false
5.)true
6.)getCustomer, isCity
7.) option- A)
8.) 13
9.) false(error)
10.) super: this

[ritishdangi]

1) Class 2
2) Outer, Inner
3) False
4) False
5) True
6) isCustomer
7) A, B
8) 13
9) True
10) Super this

[anantrajput]

1->class1, class2
2-> inner, outer
3->false
4->false
5->true
6->getCustomer
7->A
8->compile time error
9->false
10->

[sandeep_damor]

Q.1
Ans=> Class1
Class2
Q.2
Ans=> Outer
inner
Q3.
Ans=> False
Q 4.
Ans => True
Q 5
Ans =>False
Q 6
Ans =>(A)
Q.7
Ans=>(B)
Q.8
Ans =Error
Q.9
Ans =>Override
Q.10
Ans super:this

[monarajput-bmip]

1.class1, class2
2.Outer, Inner
3.false
4.false
5.true
6.getCustomer
7. A and C
8. error because m a() method is a not static
9. yes
10. this super: this

[SanjanaChouhan]

Sanjana Chouhan
1. Class1 Class2
2. Outer Inner
3. false
4. false
5. true
6. B (getCustomer)
7. A, B, C, E
8. Error
9. Error
10. super: this

[RajPatidar-mk]

1. class1class2
2.OuterInner
3.false
4.false
5.true
6.B
7.A, E
8.12
9.yes
10.this
super:this

[sanjanaaasre]

1 Class2
2 Outer Inner
3 false
4 false
5 true
6 get customer
7 A, B
8 13
9 True
10 super:super

[prachipatidar]

1). Class2
2).OuterInner
3).False
4).False
5).True
6). B
7).A, B
8).13
9).Yes(Override)
10).this:+this

[thakur_ajay_bundela]

Ans.1 - Class 1
class 2
Ans.2 - Outer
Inner
Ans.3 - False
Ans.4 - False
Ans.5 - True
Ans.6 - B. getCostumer
Ans.7 - A. static void myMethod(int... doArgs){ }
Ans.8 - Error....
Ans.9 - Valid Overriding
Ans.10 - super: this

[nehagaur]

Name:- Neha Gaur
Q1->Class1 Class2
Q2->Inner Outer
Q3->false
Q4->false
Q5->True
Q6->getCustomer
Q7->A
Q8->13
Q9->No
Q10->super: super
this: this

[YuviRajput]

Name: Yuvraj Singh Chouhan
1. Class1, Class 2
2. Inner Outer
3. False
4. False
5. True
6. B
7. A
8. 13
9. no
10. Super this

[neetukhande]

question no.1.class2, class1
question no.2 inner/outer
question no.3, false
4.true
5. false
6.addvalue
7.error
8.6
9.override
10.super /this

[arunjat]

Q.1= class2
Q.2 Innee
Q, 3 false
Q.4 false
Q.5 False
Q.6 =A
Q.7 =C
Q.8 =13
Q.9 yes
Q.10= super:super
this:this

[lokendrasinghrathore]

Q1 class1 class 2
Q2 Outer Inner
Q3 False
Q4 False
Q5 True
Q6 B
Q7 C
Q8 compile time error
Q9 True
Q10 super :this

[Vinod_jat_]

1. class2
2. outer inner
3. false
4. false
5. true
6. B
7. A
8. error
9. without main do not compile but if we have main then its ans is "override"
10. error

[akhileshpanwar]

class1, class2
outer, inner
flase
false
true
getCoustomer
A, E
Error
compilable yes but don"t override
super.this

[Singh-VR]

class 1 class2
outer inner
false

false
true
getCoustomer
(E) int x, int ....doargs
error
yes
super this

[SandeepChouhan-jz]

Sandeep Singh Chouhan

1 . Class1, Class2
2.Outer, Inner
3.flase
4.false
5.true
6.getCustomer
7.A
8. compile time error
9.yes
10.super : this