Core java - Interview Questions and Answers for 'Myntra' | Search Interview Question

Core java - Interview Questions and Answers for 'Myntra' - 3 question(s) found - Order By Newest

Q1. Can you write a "Hello World" program without using any ";" within it?

Ans. Yes, That is possible

class A {
public static void main(String args[]){
if(System.out.printf("Hello World")==null){}
}
}

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Related Questions

Why do we write public static void main ? Can we use some other syntax too for main ?

Which of the following is false about main method ?

a. It should be declared public and static
b. it should have only 1 argument of type String array
c. We can override main method
d. We can overload main method

Can we have multiple main methods in a single class ?

Can we overload main method in Java ?

What will happen if static modifier is removed from the signature of the main method?

How can we execute a Java class independently if it doesn't have a static main method ?

Can we declare a main method as abstract ?

Do all java classes need a main method?

Can we declare the main method as private ?

Why main method is declared static ?

Must know at all levels. Among Top 10 frequently asked questions in Java. Very frequently asked to fresh graduates or less experienced professionals.

Q2. What is Inheritance ?

Core Java

Ans. Its a facility for code reuse and independent extension wherein a derived class inherits the properties of parent class.

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Related Questions

Why do we need Inner classes ? Cant we just work with outer classes wherever we implement Inner classes ?

Differences between abstract class and interface ?

What are different types of classes ?

Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?

Which of the following can be marked static ?

a. Methods , Variables and Initialization Blocks.
b. Methods , Variables , Initialization Blocks and Outer Classes and nested Classes.
c. Methods , Variables , Initialization Blocks and Outer Classes.
d. Methods , Variables , Initialization Blocks and nested Classes

What is the difference between the following two code lines ?

1. new OuterClass().new InnerClass();

2. new OuterClass.InnerClass();

What are the Wrapper classes available for primitive types ?

What are wrapper classes ?

Why Struts 1 Classes are not Thread Safe whereas Struts 2 classes are thread safe ?

What is a stream and what are the types of Streams and classes of the Streams?

Q3. Write a Program to print permutations of a String.

Core Java

Ans. public static Stream permutations(String str) {
if (str.isEmpty()) {
return Stream.of("");
}

return IntStream.range(0, str.length()).boxed()
.flatMap(i -> permutations(str.substring(0, i) str.substring(i 1)).map(t -> str.charAt(i) t));

}

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Related Questions

Difference between == and .equals() ?

Why is String immutable in Java ?

Explain the scenerios to choose between String , StringBuilder and StringBuffer ?

or

What is the difference between String , StringBuilder and StringBuffer ?

What are the difference between composition and inheritance in Java?

Explain OOPs

or

Explain OOPs Principles

or

Explain OOPs Concepts

or

Explain OOPs features

or

Tell me something about OOPs

What is a Lambda Expression ? What's its use ?

Why Char array is preferred over String for storing password?

What are different ways to create String Object? Explain.

Does garbage collection guarantee that a program will not run out of memory?

What is the difference between final, finally and finalize() ?

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