Grazitti Interactive Salesforce Trainee Interview Questions, Process, and Tips

A program to check if a string is a palindrome or not.

• A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.

• To check if a string is a palindrome, we can compare the characters from the beginning and end of the string.

• If the characters match for all positions, the string is a palindrome.

• We can ignore spaces, punctuation, and case sensitivity when checking for pa

A constructor is a special method that is used to initialize objects in a class.

• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• They can be used to set initial values for object properties.

• Constructors can be overloaded to accept different parameters.

• Example: public class Person { public Person(String name) { this.name = name; } }

Main function is the entry point of a program. It is used to execute the code in the program.

• Main function is required in every program written in C, C++, Java, etc.

• It is the first function to be executed when the program starts.

• It can take command line arguments.

• It returns an integer value to the operating system.

• Example: int main() { // code to be executed }

Static variables are variables that are associated with a class, not with an instance of the class.

• Static variables are declared using the 'static' keyword.

• They are initialized only once, at the start of the program.

• They can be accessed without creating an instance of the class.

• Static variables are shared among all instances of the class.

• Examples include a counter variable to keep track of the number of instances creat...read more