From 24683dac5ae3d42491d37899201795400d861c76 Mon Sep 17 00:00:00 2001
From: aadit <tech@aaditagrawal.com>
Date: Mon, 5 Aug 2024 01:05:13 +0530
Subject: [PATCH] Upload files to "OOP/Java/Lab/Week2"

---
 OOP/Java/Lab/Week2/BitwiseMulDiv.java    | 21 +++++++++++
 OOP/Java/Lab/Week2/Calculator.java       | 47 ++++++++++++++++++++++++
 OOP/Java/Lab/Week2/TypecastAnalysis.java | 17 +++++++++
 3 files changed, 85 insertions(+)
 create mode 100644 OOP/Java/Lab/Week2/BitwiseMulDiv.java
 create mode 100644 OOP/Java/Lab/Week2/Calculator.java
 create mode 100644 OOP/Java/Lab/Week2/TypecastAnalysis.java

diff --git a/OOP/Java/Lab/Week2/BitwiseMulDiv.java b/OOP/Java/Lab/Week2/BitwiseMulDiv.java
new file mode 100644
index 0000000..0a806d4
--- /dev/null
+++ b/OOP/Java/Lab/Week2/BitwiseMulDiv.java
@@ -0,0 +1,21 @@
+import java.util.Scanner;
+
+public class BitwiseMulDiv {
+    public static void main(String args[]){
+        Scanner sc = new Scanner(System.in);
+
+        int a,b,c;
+
+        System.out.println("Enter the value you want as an input: ");
+        a = sc.nextInt();
+
+        b = a >> 1;
+
+        System.out.println("When divided by 2, the result is "+b+".");
+
+        c = a << 1;
+
+        System.out.println("When divided by 2, the result is "+c+".");        
+    }
+    
+}
diff --git a/OOP/Java/Lab/Week2/Calculator.java b/OOP/Java/Lab/Week2/Calculator.java
new file mode 100644
index 0000000..f7a3169
--- /dev/null
+++ b/OOP/Java/Lab/Week2/Calculator.java
@@ -0,0 +1,47 @@
+import java.util.Scanner;
+
+public class Calculator {
+    
+    public static void main(String args[]){
+        Scanner sc = new Scanner(System.in);
+        char ch = 'y',f;
+        do{
+            System.out.println("Enter the first number: ");
+            float a = sc.nextFloat();
+
+            System.out.println("Enter the operator (+,-,/,*): ");
+            char b = sc.next().charAt(0);
+
+            if((b != '+') && (b != '-') && (b != '/') && (b != '*') && (b != 'x')){
+                System.out.println("Invalid operator.");
+            }
+
+            System.out.println("Enter the second number: ");
+            float c = sc.nextFloat();
+
+            switch(b){
+                case '+': 
+                    float d = a+c;
+                    System.out.println(+a+" + "+c+" = "+d);
+                    break;
+                case '-': 
+                    float e = a-c;
+                    System.out.println(+a+" - "+c+" = "+e);
+                    break;
+                case '/': 
+                    float g = a / c;
+                    System.out.println(+a+" / "+c+" = "+g);
+                    break;
+                case 'x':
+                case '*': 
+                    float h = a*c;
+                    System.out.println(+a+" * "+c+" = "+h);
+                    break;
+            }
+            
+            System.out.println("Do you want to perform another calculation (y/n)?");
+            f = sc.next().charAt(0);
+        } while(f == ch);
+
+    }
+}
diff --git a/OOP/Java/Lab/Week2/TypecastAnalysis.java b/OOP/Java/Lab/Week2/TypecastAnalysis.java
new file mode 100644
index 0000000..b1734d6
--- /dev/null
+++ b/OOP/Java/Lab/Week2/TypecastAnalysis.java
@@ -0,0 +1,17 @@
+public class TypecastAnalysis {
+    public static void main(String args[]){
+
+        int x = 10;
+        double y = x;
+        System.out.println("For the first code, the output is:"+y);
+
+        //double a = 10.0;
+        //int b = a;
+        //System.out.println(b);
+        System.out.println("For the second code, the output is: Type mismatch: cannot convert from double to int at TypecastAnalysis.main(TypecastAnalysis.java:11)");
+        
+        double c = 10.0;
+        int d = (int) c;
+        System.out.println("For the third code, the output is: "+d);
+    }    
+}