- HubPages»
- Technology»
- Computers & Software»
- Computer Science & Programming»
- Programming Languages
Java Program: Using If-Else Statement in Java Programming
Get A Website Plus a Free Domain Name in Just 1 Hour!
Bring the new technology in your hands! Share your skills, improve and impress. Get Your Own Website and a Free Domain Name Here!
If and Else Statement in Java with Sample Java Source Code
If and else statement in Java programming means if(condition here meets){implement your code here} else{implement this code instead}. Hence the syntax for if and else statement in Java programming is this:
if(condition)
{
Write your code here
}
else
{
Write your code here
}
Usually the if and else statement is used if the program has a unique condition to be done and the other condition is exactly the opposite of that unique condition. The else statement is just another gateway for the program to execute something if it does not meet the unique condition it needs on the if statement.
For example, we will write a program about determining whether the user is a teenager or not. So we will have an algorithm that says, if the user is age 13-19, the program will say that she/he is a teenager. Else if the user is less than or greater than the specified ages, the program will say, you are not a teenager. Just note that if the user will enter he/she is 12 the program will say “you are not a teenager”, the output is similar also if the user enters that he/she is 20. See the Java Free Source code below:
Package name: teenager_identifier
package teenager_identifier;
import java.util.Scanner;
public class Main {
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
System.out.print("Enter your age: ");
int user_age = input.nextInt();
if(user_age >= 13 && user_age <= 19)
{
System.out.println("You are a Teenager.");
}
else
{
System.out.println("You are not a Teenager.");
}
}
}
Sample Output:
Simple isn't it? :) Happy Programming!
Related Java Tutorials:
- Complete List of Java Tutorial and Source Codes for Absolute Beginners
- 5 Important Tips to Learn Java Programming and Other Programming Languages
- Basic Knowledge Required in Programming
- How to Program in Java Using Netbeans: Complete Simple Easy Steps
- Java Simple Codes for Beginners
- Java Tutorial for Beginners: A Beginners Guide on Learning Java Programming
Java Source Codes Samples:
- Class in Java: Learn More about Java Classes with Sample Java Codes
- Java Program: How to Use If Statement in Java Programming
- Java Program: Using Multi If and Else Statement in Java Programming
- Java Program: How to Sort Numbers in Ascending Order
- Java Program: How to Sort Numbers in an Array in a Descending Order
- What is MDAS? Sample Java Source Code for MDAS
- Fibonacci Java Program: Complete Program for Fibonacci Series
- Java Program: Palindrome Test Java Source Code
- Java Program: Reverse String in Java Using For Loop
- Fibonacci Java Program: Complete Program for Fibonacci Series
- Java Program: Count the Number of String Characters in Java
- Count the Number of Vowels in Java String
- Java Program: How to Parse a String into Integer in Java Programming
- Sample Java Program for String Tokenizer
- Java Program: How to Use Switch Statement in Java
Related
Programming in Java Netbeans - A Step by Step Tutorial for Beginners: Lesson 52
Programming in Java Netbeans - A Step by Step Tutorial for Beginners: Lesson 50
Types of Function in C Programming Language
Programming in Java Netbeans - A Step by Step Tutorial for Beginners: Lesson 6
Programming in Java Netbeans - A Step by Step Tutorial for Beginners: Lesson 2
Comments
No comments yet.