From 6fbcc4ac72542b4e403ea1edcc05e5cef823d071 Mon Sep 17 00:00:00 2001
From: uvhareesh <uvharish90@gmail.com>
Date: Tue, 13 May 2025 19:24:40 +0530
Subject: [PATCH] Variables concept added in Data types.java file

---
 src/coreJava/DataTypes.java | 49 +++++++++++++++++++++++++++++++++++--
 1 file changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/coreJava/DataTypes.java b/src/coreJava/DataTypes.java
index 7b09fc9..6f0e47c 100644
--- a/src/coreJava/DataTypes.java
+++ b/src/coreJava/DataTypes.java
@@ -3,11 +3,54 @@
 public class DataTypes {
 
 	public static void main(String[] args) {
+	
+	//variables
+		
+		//int s; //declaration
+		//s=100; //assignment
+		
+		int s=100; 	// declaration+assignment
+		System.out.println(s);
+		
+		s=200;
+		System.out.println(s);
+		
+	/*	
+	// approach1  // if all the variables belongs to different data types
+		int p=1;
+		int o=2;
+		int i=3;
+	*/
+		
+	/* approach2 // only if allthe variable are belongs to same data type
+	 	int p,o,i;
+	 	p=1;
+	 	o=2;
+	 	i=3;
+	 */
+		
+	// approach3 //only if all the variable are belongs to same data type
+	 	int p=1,o=2,i=3;
+	 	
+	//for meaningful message in print statement we can use concatenation method		
+	 	System.out.println("The Value of p is :"+p);
+		System.out.println("The Value of o is :"+o);
+		System.out.println("The Value of i is :"+i); 
+	 
+	// in single line we printed all variable values
+	 	System.out.println(p+""+o+""+i+"");
+		
+	// in print statement we used join method for each value with ""	
+	 
+		
+//--------------------------------------------------------------------------	
+	// Data types
+		
 		// Numeric Data Types
 		
 				int a=100, b=200;
-				System.out.println("The vlaue of a is :"+a);
-				System.out.println("The vlaue of b is :"+b);
+				System.out.println("The Value of a is :"+a);
+				System.out.println("The Value of b is :"+b);
 				System.out.println(a+b);
 				System.out.println("The sum of an and b is : "+(a+b));
 				
@@ -56,6 +99,8 @@ public static void main(String[] args) {
 				//String bl=true;//invalid
 				 String bl2="true";//valid
 				 
+	//----------------------------------------------------------------------	
+				 
 				 //difference between variable and const/final
 				 int x=100;
 				 System.out.println(x);