Which is super most class in Java? | ArrayList vs Object vs Abstract vs String | Most Asked Question

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Some important java questions for Interviews:
Java Interview Question
1 Explain what happens in complication and interpretation
2 How java internally works
3 how to calculate the range of each datatype?
4 Can I have a size of datatype in bits and bytes? True or false?
5 What is the use of the super keyword?
6 Why do you use try and catch?
7 What is the default value of the boolean data type in the global variable?
8 Explain what is public static void main?
9 Explain method overloading?
10 Explain method overriding?
11 What ae the rules of method overriding ?
12 can you override static method?
13 Which company own java?
14 Why java is called as platform specific?
15 What are literals?
16 What are the types of tokens in java?
17 can you override the constructor?
18 name some Java Keywords?
19 In case of multiple if block statements how many maximum if blocks may get printed?
20 What are local and global variables?
21 Where do we use the final keyword?
22 Name some string functions?
23 Can you overload static method?
24 what is the difference between static and nonstatic
25 Explain JVM memory?
26 Explain SIB and IIB?
27 What is method overloading?
28 What is method overriding?
29 Can you overload non static method?
30 Can you overload the constructor?
31 Does the queue allow duplicate value?
32 Why do you use throw and throws
33 What are the types of inheritance?
34 For each try it is required to have catch block?
35 What is Abstract class?
36 Why multiple inheritance is not possible ?
37 What is interface?
38 Can you even overload the main method?
39 What is type casting? and its types?
40 What are the disadvantages of array?
41 What is super calling statement ?
42 can we do downcasting only implicitly?
43 What are constructors?
44 Can we do narrowing by both implicitly and explicitly?
45 Can a supercalling statement be parametrized and non-parametrized?
46 Can a constructor be parametrized and non-parametrized?
47 Why we go for collections?
48 What is constructor overloading?
Selenium Important Interview Questions:
1 What is the difference between find element and find elements
2 What is the difference between get window handle and get window handles
3 What is the difference between implicit wait and explicit wait
4 What is the Actions class?
5 How to run failed test cases in TestNG?
6 What is the use of testing?
7 Why do we need annotations in TestNG?
8 How to handle Fileupload_popup?
9 How to run the same @Test 50 times?
10 How do you prioritize your expectations in TestNG?
11 WHat is POM?
12 Why do we need pom?
13 How do you hover over?
13 How do you work with auto suggestions?
14 WHat are the different locators we have in selenium?
15 Name some selenium exceptions
16 Why do we get stale element reference exceptions?
17 Explain selenium architecture?
18 What is synchronization in selenium?
19 How to know the height and width of any component in the web application?
20 How to know the x and y axes of any element in a web application?
21 How to scroll down the page at a particular point/axis in the web application?
22 Talk about NumberToTextConverter class?
23 How to enter URL without getting function
24 What are the Benefits of Selenium
25 What are the Disadvantages of Selenium
26 What is the difference between close and quit
27 How do you Automate OTP?
28 What is relative and absolute XPath?
29 What are the advantages of automation testing?
30 How many programming languages are supported by Selenium?
31 How many browsers and operating systems are supported by Selenium.
32 Can we do nonfunctional testing from the selenium tool?
33 What are driver executable files?
34 What is a selenium server?
35 Why do we need an Assert in Selenium?

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OR

[Maheshdy]

The object class is the root class from which other classes are derived.Object class is the supermost class in java

[avinashkhadatkar]

Object Class is the super most class of all the classes of java

[Maheshdy]

The object class is the topmost class in java it is also super class for all other classes

[gamingu]

Object class is the parent class of all the classes in Java

[harshadashejawal]

Object class is top most class in Java
We say it is father of class

[Soubhagya]

Object Class
Bcoz All the class and interface automatically inherites the Object Class

[jayashreesureban]

Object class is the root class for all the Java classes.

[Ram_-k]

Object Class
it is super class for java classes internally

[familyverma]

Object class that inherit by all the classes

[teluguakshaya]

Object is the root class of all the classes.

[shwetakumari]

Object class is the supermost class in java..

[krishnak]

Object Class…..As java is object oriented Programming language🙏🏽

[himanshudalal]

Object class is supermost class in java which causes the daimond ambugity problem

[Star_Singer]

Object class is parent class of all classes in java

[Itsme_Saku]

object class is super most class in java

[sandesh-oo]

Object class is a parent class in java

[himanshudalal]

Object class is supermost class in java