Surge Technology Solutions Software Engineer Interview Questions and Answers

Java is mostly OOPs based, but has some non-OOPs features for backward compatibility and performance.

• Java has primitive data types like int, float, etc. which are not objects and do not have methods.

• Java also has static methods and variables which are not associated with any instance of a class.

• These non-OOPs features were added for backward compatibility with C and C++ and for performance reasons.

• However, Java still f...read more

Constructors are special methods that are called when an object is created, while methods are functions that perform specific tasks.

• Constructors have the same name as the class and do not have a return type

• Constructors are used to initialize the object's state

• Methods can have any name and return type

• Methods are used to perform specific tasks on the object

• Constructors are called automatically when an object is created

• Me

Java variables can be classified into three types: local, instance, and static.

• Local variables are declared inside a method and have limited scope.

• Instance variables are declared inside a class but outside a method and are accessible to all methods of the class.

• Static variables are declared with the static keyword and are shared among all instances of the class.

• Examples: int count = 0; // local variable, private String...read more