Java Tutorial

Write a Java program to check whether a given number is prime or not – Java Tutorial Problem Statement  Write a Java program to check whether a given number is prime or not Solution: A number is said to be a prime number if it is divisible by itself or by 1reverse is equal to […]

Write a Java Program to check whether the Number is Palindrome or Not – Java Tutorial Problem Statement  Write a Java Program to check whether the Number is Palindrome or Not. Solution: A number is said to be palindrome if its reverse is equal to the original number. For example, 123 is not a palindrome,

Write a Java Program to find Reverse of Number – Java Tutorial Problem Statement  Write a Java program to find the reverse of a number. Solution: First, create a class named Reverse and add the main method to it. Next, set the value of rev to 0. Read the number to be reversed from the

Control Statements in Java – Java Tutorial Problem Statement  List and Explain different Control Statements in Java. Solution: Programmers can take decisions in their program with the help of control statements. Various control statements that can be used in Java are, 1. if statement 2. if else statement 3. while statement 4. do… while statement

Write a Java Program to find Factorial of Number – Java Tutorial Problem Statement  Write a Java program to find the factorial of a number ‘n’ using for loop. Solution: First, create a main class named Factorial. Then add the main method to the main class Factorial. Declare local variables such as n – to

Switch Case Statement with an Example in Java – Java Tutorial Problem Statement  Explain the switch case statement with a programming example. Solution: The switch case statement is one of the very important control statements in the java programming language. You can compare the switch case statement with a Menu-Card in the hotel. You have

Arrays in Java – Java Tutorial Problem Statement How arrays are defined in Java? Explain with a programming example. Solution: There are three types of arrays in Java Programming Language. Single Dimensional Arrays Two Dimensional Arrays Ragged Arrays 1. Single Dimensional Array in Java The array is a collection of similar types of elements. Thus

Data Types in Java Program – Java Tutorial Problem Statement List and Explain different data types in Java with programming examples.  Solution: Various data types used in Java are byte, short, int, long, char, float, double and boolean. byte This is in fact smallest integer type of data type. Its width is 8-bits with a

Operators in Java Program – Java Tutorial Problem Statement List and Explain different operators in Java with examples.  Solution: Following is the list of operators that are used Java programming language: Arithmetic Operators Relational Operators Logical Operators Assignment Operators Increment Operator Decrement Operator Type of Operator Operator Meaning Example Arithmetic Operator + Addition or Unary

Structure of the Java Program – Java Tutorial Problem Statement Explain the structure of the Java program with an example. OR Write a short note on the structure of the Java Program with an example.  Solution: The structure Java program contains mainly five sections. Documentation Section Package Statement Section Import Statement Section Class Definition Section