Codes Hub : Java Basic Codes for Beginners


Here are some of the basic codes of Java Programming for Beginners





HelloWorld.java
public class HelloWorld
{
public static void main(String[] args) {
System.out.println("Hello World!");
}
}

arithmetic.java


public class arithmetic
{
public static void main(String []args)
{

int grade = 95;

if (grade >=85){

System.out.println("excellent");
System.out.println("Passed");
}

else if (grade >=75)
{
System.out.println("Good");
System.out.println("Passed");

}
else
{
System.out.println("Failed");
}

}
}
userinput.java

import java.util.Scanner;

public class userinput
{

public static void main (String[] args) {

//Introduction
System.out.println("First Name");

Scanner scan = new Scanner (System.in);

String fname = scan.nextLine();

System.out.println("Last Name");

String lname = scan.nextLine();

System.out.println("Age");

String age = scan.nextLine();

System.out.println("Address");

String address = scan.nextLine();

System.out.println("Course");

String course = scan.nextLine();

System.out.println("School");

String school = scan.nextLine();

System.out.println("Subject");

String subject = scan.nextLine();
System.out.println ("Hi my name is " + fname + " " + lname + " I am " + age + " years old ");
System.out.println("I live in " + address + " I am taking up " + course + " at " + school + " I am doing this for my " + subject + " subject.");

}

}
grade.java

public class grade
{
public static void main (String []args)
{
int grade = 60;

if (grade >=75)
{
System.out.println("Passed");
System.out.println("Congratulations!!");
}


}
}
gradeifelse.java

public class gradeifelse
{
public static void main (String []args)
{

int grade = 50;


//expression
if (grade >=75)
{
//statement
System.out.println("Passed");
System.out.println("Congratulations!!");
}
else {
System.out.println("Failed");
}

}
}
gradeifelseif.java


public class grade
{
public static void main (String []args)
{

int grade = 95;

if (grade == 100){
System.out.println("Excellent");}

else if (grade >=75 && grade<=99)

{
System.out.println("Passed!");
}
else {
System.out.println("Failed");
}
}
You may download complete basic codes here

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