Systenics Solutions Interview Questions, Process, and Tips

1)Spy number
2)Pattern

Q1. Oops concepts(Pillers of oops)
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Q2. What is method overloading and overriding
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same name and parameters as in the superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding involves redefining a method in a subclass that is already defined in the supercla...read more
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Q3. What is pointer(Dangling pointer)
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A dangling pointer is a pointer that points to a memory location that has been deallocated, leading to undefined behavior.
• Dangling pointers can occur when a pointer is not set to NULL after the memory it points to is freed.

• Accessing a dangling pointer can result in a crash or unexpected behavior.

• Example: int *ptr = new int; delete ptr; // ptr is now a dangling pointer
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Q4. Serialisation and Deserialisation
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Q5. What is class and object,constructors
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A class is a blueprint for creating objects, and objects are instances of classes. Constructors are special methods used to initialize objects.
• Class is a template that defines the properties and behaviors of objects.

• Object is an instance of a class that has its own state and behavior.

• Constructors are special methods used to initialize objects when they are created.

• Example: Class 'Car' defines properties like 'color' an...read more
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1)Spy number
2) Pattern

Q1. Oops concepts(piller of oops)
Add your answer
Q2. What is method overloading and overriding
Ans. 
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is redefining a method in a subclass with the same signature as in the superclass.
• Method overloading allows a class to have multiple methods with the same name but different parameters.

• Method overriding is when a subclass provides a specific implementation of a method that is already provided b...read more
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15 minutes on paper coding questions is given

Q1. Java related question
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Q2. Jdk information on java
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Q3. Java interface in actual coding
Ans. 
Java interfaces are used to define a contract for classes to implement, allowing for polymorphism and loose coupling.
• Interfaces in Java are used to define abstract methods that must be implemented by classes that implement the interface.

• Interfaces can also contain constants, default methods, and static methods.

• Example: interface Animal { void eat(); } class Dog implements Animal { public void eat() { System.out.println
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Q4. Object oriented programming langauge
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Q1. Hr round on java
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Pen paper simple coding questions

Q1. Bubble sort, patterns , OOPs concept
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2 String problem in 30min

Q1. Introduction of your self.
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Q2. OOPS Concept function
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OOPS Concept function
• OOPS (Object-Oriented Programming) is a programming paradigm that uses objects to represent and manipulate data.

• Functions in OOPS are methods that are defined within a class and can be called to perform specific tasks.

• Functions in OOPS encapsulate behavior and can have parameters and return values.

• Functions can be public, private, or protected depending on their accessibility.

• Inheritance, polymorph...read more
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Q3. Tricky Question
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