Take three numbers from the user and print the greatest number

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code:

      package com.control.java;
      import java.util.Scanner;

      public class Greatest_number {

      public static void main(String[] args) {
		 int a,b,c;
		 Scanner Sc=new Scanner(System.in);
		 System.out.println("enter the value of a,b,c");
		 a=Sc.nextInt( );
		 b=Sc.nextInt( );
		 c=Sc.nextInt( );
		 
		 if(a>b)
			{
				if(a>c)
			
				System.out.println("a is greater");
			else
				System.out.println("c is greater");
			}
			else
			{
			if(b>c)
				System.out.println("b is greater");
			else
				System.out.println("c is greater");
			
			}	
		}

	}

line-2:

Package com.control.java

It is a java package( com.control.java) which is a collection of classes and this package is created in a java project .

Line-3:

❖ import java.util.Scanner;

Scanner is a class in java. util package used for obtaining the input of the primitive types like int, double, etc. and strings .

Line-5:

❖ public class Greatest_number {

>>–Here Greatest_number is defined as a class which is a template used to create objects and to define object data types and methods .

>–and it’s defined as public because it can be accessed anywhere .

Line-7:

❖ public static void main(String[] args)

>>– it is a main method in which we can execute a program //public :it is an access modifier of the main function which must be public so that the JVM which is (Java Virtual Machine)can access and execute this method.

//If a method is not public, then access is restricted and its showing error //static is a keyword in which main method has must to be static in which JVM can load the class into memory and call the main method without creating an instance //void it means no return type

//main() is function string[]args : string means collection of characters ,String[] args represents a collection of Strings that are separated by a space and can be typed into the program on the terminal directly

Line-8:

❖ int a,b,c;

>>– here we declare a,b,c as a variable which is integer type

Line-9:

❖ Scanner sc=new Scanner(System.in);

>>–it means here scanner is a class and Sc is the instance of the object which is new Scanner.System.in is an argument

Line-10:

❖ System.out.println(“Enter the value of a,b,c “);

>>– it means System is a class name and out is an instance of the System println is print a new line

Line-11:

❖ a=sc.nextInt();

>>– here a is a variable that we take and Sc is our instance name which is create for a object and nextInt() is a method method of a Scanner object reads in a string of digits or char and converts them into an int type

Line-12:

❖ b=sc.nextInt();

>>– here b is a variable that we take and Sc is our instance name which is created for an object and nextInt() is a method method of a Scanner object that reads in a string of digits or char and converts them into an int type.

Line-13:

❖ c=sc.nextInt();

>>– here c is a variable that we take and Sc is our instance name which is create for a object and nextInt() is a method method of a Scanner object reads in a string of digits or char and converts them into an int type

Line-15: