First commit

iamarav · iamarav · commit 4ac0d31a8747 · 2019-01-31T03:48:16.000+05:30
diff --git a/Basic-Java/AlgebraicOperations.java b/Basic-Java/AlgebraicOperations.java
@@ -0,0 +1,62 @@
+import java.util.Scanner;
+
+public class AlgebraicOperations {
+	public static void main(String args[]) {
+
+		//Declaring variables
+		double n1,n2,res = 0;
+		
+		System.out.println("Algebraic Operations of two Numbers\n---");
+		Scanner scanner = new Scanner(System.in);
+		
+		System.out.println("Enter the number 1: ");
+		n1 = scanner.nextDouble();
+		
+		System.out.println("Enter the number 2: ");
+		n2 = scanner.nextDouble();
+		
+		System.out.println("---\nEnter 1 for addition,\n2 for subtraction\n3 for multiplication\n4 for division");
+		int operator = scanner.nextInt();
+		
+		//Solving by if else loops
+		if(operator==1) {
+			res =n1+n2;	
+			}
+		else if(operator==2) {
+			res =n1-n2;	
+			}
+
+		else if(operator==3) {
+			res =n1*n2;	
+			}
+
+		else if(operator==4) {
+			res =n1/n2;	
+			}
+
+		else{
+			System.out.println("Error!");
+			end();
+		}
+			
+		System.out.println(res);
+		end();
+		scanner.close();
+	}
+	
+	static void end() {
+		System.out.println("Enter Y to continue or any key to exit!");
+		
+		Scanner getEndOption= new Scanner(System.in);
+		String option = getEndOption.next();
+		if(option.equalsIgnoreCase("Y")) {
+			main(null);
+		}
+		else {
+			System.out.println("The Program has ended. Please run the program again.");
+		}
+		getEndOption.close();
+	}
+
+
+}
diff --git a/Basic-Java/AlgrebraicOperationsSwitchCase.java b/Basic-Java/AlgrebraicOperationsSwitchCase.java
@@ -0,0 +1,59 @@
+import java.util.Scanner;
+
+public class AlgrebraicOperationsSwitchCase {
+	public static void main(String args[]) {
+
+		//Declaring variables
+		double n1,n2,res = 0;
+		
+		System.out.println("Algebraic Operations of two Numbers with Switch Case Loop\n---");
+		Scanner scanner = new Scanner(System.in);
+		
+		System.out.println("Enter the number 1: ");
+		n1 = scanner.nextDouble();
+		
+		System.out.println("Enter the number 2: ");
+		n2 = scanner.nextDouble();
+		
+		System.out.println("---\nEnter 1 for addition or\n2 for subtraction or\n3 for multiplication or\n4 for division");
+		int operator = scanner.nextInt();
+		
+		//Solving by switch case loop for simpler code.
+		switch(operator) {
+			case 1:
+				res = n1+n2;
+				break;
+			case 2:
+				res = n1-n2;
+				break;
+			case 3:
+				res = n1*n2;
+				break;
+			case 4:
+				res = n1/n2;
+				break;
+			default:
+				System.out.println("You have chosen a wrong option.\nPlease choose from the above given options.");
+				end();
+		}
+		System.out.println(res);
+		end();
+		scanner.close();
+	}
+	
+	static void end() {
+		System.out.println("---\nEnter Y to continue or any key to exit!");
+		
+		Scanner getEndOption= new Scanner(System.in);
+		String option = getEndOption.next();
+		if(option.equalsIgnoreCase("Y")) {
+			main(null);
+		}
+		else {
+			System.out.println("The Program has ended. Please run the program again.");
+		}
+		getEndOption.close();
+	}
+
+}
+
diff --git a/Basic-Java/HelloWorld.java b/Basic-Java/HelloWorld.java
@@ -0,0 +1,5 @@
+class HelloWorld{
+	public static void main(String[] args) {
+		System.out.println("Hello World!!\nI'm learning Java.");
+	}
+}
