Mphasis Software Engineer Interview Questions, Process, and Tips

Overloading is the ability to have multiple methods with the same name but different parameters.

• Overloading allows for more flexibility in method naming and usage.

• The methods must have different parameters, such as different data types or different numbers of parameters.

• Example: public void print(int num) and public void print(String str) are both methods with the same name but different parameters.

• Overloading is deter...read more

Overriding is a feature in object-oriented programming where a subclass provides its own implementation of a method that is already defined in its superclass.

• Overriding allows a subclass to provide a specific implementation of a method that is already defined in its superclass.

• The method signature (name, parameters, and return type) must be the same in both the superclass and subclass.

• The subclass method must have the ...read more

Object class is the superclass of all classes in Java.

• Object class provides basic functionalities like toString(), equals(), hashCode() etc.

• All classes in Java directly or indirectly inherit from Object class.

• Object class is located in java.lang package.

• Example: String class extends Object class.

Program to find the smallest value from 3 inputs.

• Compare the first two inputs and store the smaller value.

• Compare the stored value with the third input and update if smaller.

• Return the final stored value as the smallest value.

To create a table, use SQL CREATE TABLE statement with column names and data types.

• Specify the table name after CREATE TABLE keyword

• List column names and data types separated by commas inside parentheses

• Add any constraints like PRIMARY KEY or FOREIGN KEY if needed

• Example: CREATE TABLE customers (id INT PRIMARY KEY, name VARCHAR(50), email VARCHAR(100))