Check out example codes for "Java program to find largest of three numbers". It will help you in understanding the concepts better.

Code Example 1

``````java program find largest of three numbers using command line argument
public class UsingCommandLineArgument
{
public static void main(String[] args)
{
int number1 = Integer.parseInt(args);
int number2 = Integer.parseInt(args);
int number3 = Integer.parseInt(args);
if(number1 > number2 && number1 > number3)
{
System.out.println(number1 + " is largest number.");
}
else if(number2 > number1 && number2 > number3)
{
System.out.println(number2 + " is largest number.");
}
else
{
System.out.println(number3 + " is largest number.");
}
}
}``````

Code Example 2

``````largest of three numbers in java using if else
import java.util.Scanner;
public class LargestOfThreeNumbersInJava
{
public static void main(String[] args)
{
int a, b, c;
System.out.println("Please enter three numbers: ");
Scanner sc = new Scanner(System.in);
a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();
if(a >= b && a >= c)
System.out.println(a + " is the largest number.");
else if(b >= a && b >= c)
System.out.println(b + " is the largest number.");
else
System.out.println(c + " is the largest number.");
sc.close();
}
}``````

Code Example 3

``````Java program to find largest of four numbers using if-else
import java.util.Scanner;
public class FourNumbersUsingIfElse
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Please enter first number to find largest: ");
int number1 = sc.nextInt();
System.out.println("Please enter second number to find largest: ");
int number2 = sc.nextInt();
System.out.println("Please enter third number to find largest: ");
int number3 = sc.nextInt();
System.out.println("Please enter fourth number to find largest: ");
int number4 = sc.nextInt();
if(number1 > number2 && number1 > number3 && number1 > number4)
{
System.out.println(number1 + " is largest.");
}
else if(number2 > number1 && number2 > number3 && number2 > number4)
{
System.out.println(number2 + " is largest.");
}
else if(number3 > number1 && number3 > number2 && number3 > number4)
{
System.out.println(number3 + " is largest.");
}
else
{
System.out.println(number4 + " is largest.");
}
sc.close();
}
}``````

Code Example 4

``````Here’s the largest of three numbers in java using function
import java.util.Scanner;
public class UsingFunction
{
public static void main(String[] args)
{
int number1 = 0, number2 = 0, number3 = 0;
Scanner sc = new Scanner(System.in);
System.out.print("Please enter first number: ");
number1 = sc.nextInt();
System.out.print("Please enter second number: ");
number2 = sc.nextInt();
System.out.print("Please enter third number: ");
number3 = sc.nextInt();
System.out.println("Largest of three numbers using function: " + functionLargest(number1, number2, number3));
sc.close();
}
static int functionLargest(int number1, int number2, int number3)
{
if(number1 > number2 && number1 > number3)
{
return number1;
}
else if(number2 > number1 && number2 > number3)
{
return number2;
}
else
{
return number3;
}
}
}``````

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