The basic difference between Integer and int is that Integer is a Class whereas int is a data type. int Data Type We already know that int is a primitive data type. It means that these data types are not further breakable. Any variable declared with int data type can store only numeric values inRead More
Question: Can main method be overloaded? or Can a java program have multiple methods with name “main” keyword? Answer: Yes, the Main method can also be overloaded same as normal method overloading techniques. Method overloading is a sub-process of Polymorphism. To achieve method overloading we have to declare and define multiple methods with the same name butRead More
Question: Print Hello World as ‘Olleh Dlrow’ using Java. Problem Write a program to reverse a String or we can say that reverses each word in a sentence and also while printing the first letter should be in upper case. Input can contain any number of words as mentioned below: Input String:- Hello Worldask for helpYou Live Only OnceRead More
Problem: How to write a program that can be used for Multiplication or Division two integer values without using “*” operator and “/” or “%” operators? Example:Inputs:-6 and 3 (Multiply)50 and 10 (Multiply)18 and 2 (Divide)39 and 4 (Divide)Output:-Multiplication of 6 and 3 = 18Multiplication of 50 and 10 = 500Division of 18 and 6:Quotient 3Read More
There is a simple process to get the default value of data type. Declare data type without any value, try to access it and you will get your answer. Step-1: Declare variables Declare variables without any value and try to print the value of that variable. Step-2: Default value of data type When we tryRead More
How to split String if it contains period symbol (.) in between? Problem: I have to write a program which takes file name with any extension as a parameter and it should return the extension of that file.