Ericsson
10+ Sundaram Motors Interview Questions and Answers
Q1. Reverse the String Problem Statement
You are given a string STR
which contains alphabets, numbers, and special characters. Your task is to reverse the string.
Example:
Input:
STR = "abcde"
Output:
"edcba"
Input...read more
Q13. What is method overloading and overriding
Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
Method overloading allows a class to have multiple methods with the same name but different parameters.
Method overriding occurs in a subclass when a method has the same name, return type, and parameters as a method in its superclass.
Example of method overloading: ...read more
Q14. Program to swap two variables without using third
Swapping two variables without using a third variable
Use XOR operation to swap two variables without using a third variable
Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
Q15. Explain 3g, 4g, 5g architecture
3G, 4G, and 5G architectures refer to the generations of mobile network technology, each offering faster speeds and improved capabilities.
3G (Third Generation) introduced mobile data services like internet browsing and video calling.
4G (Fourth Generation) provided faster speeds for data transmission, enabling services like HD video streaming and online gaming.
5G (Fifth Generation) offers even faster speeds, lower latency, and increased capacity for more connected devices, ena...read more
Q16. Hashmap implementation
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
Hashmap uses a hash function to map keys to indices in an array.
Collision handling is important in hashmap implementation.
Java's HashMap class is a popular implementation of hashmap.
Example: HashMap
map = new HashMap<>();
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