Solustion q4 java

FIRST-java-Q1.java

@@ -0,0 +1,21 @@
+//Write a program to print whether a number is even or odd, also take
+//input from the user.
+import java.util.Scanner;
+public class FIRST-java-Q1 
+{
+    public static void main(String[] args)
+    {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter a number: ");
+        int num = sc.nextInt();
+
+        if (num % 2 == 0) {
+            System.out.println(num + " is an even number.");
+        }
+        else {
+            System.out.println(num + " is an odd number.");
+        }
+
+        // Close the scanner to prevent resource leaks
+        sc.close();
+}

FIRST_java_Q3.java

@@ -0,0 +1,29 @@
+//  Write a program to input principal, time, and rate (P, T, R) from the user and
+//find Simple Interest.
+
+import java.util.Scanner;
+
+public class FIRST_java_Q3 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        // Input principal, time, and rate
+        System.out.print("Enter principal (P): ");
+        double principal = scanner.nextDouble();
+
+        System.out.print("Enter time in years (T): ");
+        double time = scanner.nextDouble();
+
+        System.out.print("Enter rate of interest (R): ");
+        double rate = scanner.nextDouble();
+
+        // Calculate Simple Interest
+        double simpleInterest = (principal * time * rate) / 100;
+
+        // Output the result
+        System.out.printf("Simple Interest is: %.2f%n", simpleInterest);
+
+        // Close the scanner
+        scanner.close();
+    }
+}

FIRST_java_Q4.java

@@ -0,0 +1,53 @@
+ //Take in two numbers and an operator (+, -, *, /) and calculate the value.
+//(Use if conditions)
+import java.util.Scanner;
+
+public class FIRST_java_Q4 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        // Input first number
+        System.out.print("Enter first number: ");
+        double num1 = scanner.nextDouble();
+
+        // Input second number
+        System.out.print("Enter second number: ");
+        double num2 = scanner.nextDouble();
+
+        // Input operator
+        System.out.print("Enter operator (+, -, *, /): ");
+        char operator = scanner.next().charAt(0);
+
+        double result;
+
+        // Perform calculation based on the operator
+        if (operator == '+') {
+            result = num1 + num2;
+        }
+        else if (operator == '-') {
+            result = num1 - num2;
+        }
+        else if (operator == '*') {
+            result = num1 * num2;
+        }
+        else if (operator == '/') {
+            if (num2 != 0) {
+                result = num1 / num2;
+            } else {
+                System.out.println("Error: Division by zero is not allowed.");
+                scanner.close();
+                return;
+            }
+        } else {
+            System.out.println("Error: Invalid operator.");
+            scanner.close();
+            return;
+        }
+
+        // Output the result
+        System.out.printf("Result: %.2f%n", result);
+
+        // Close the scanner
+        scanner.close();
+    }
+}

FIRSTjava-Q2.java

@@ -0,0 +1,14 @@
+// Take name as input and print a greeting message for that particular name.
+class Q2 
+{
+    public static void main(String[] args) {    
+        java.util.Scanner sc = new java.util.Scanner(System.in);
+        System.out.print("Enter your name: ");
+        String name = sc.nextLine();
+
+        System.out.println("Hello, " + name + "! Welcome to the program.");
+
+        // Close the scanner to prevent resource leaks
+        sc.close();
+    }               
+}

FLOW_Q3_Krish.java

@@ -0,0 +1,18 @@
+// Take a number as input and print the multiplication table for it.
+class FLOW_Q3_Krish
+{
+    public static void main(String[] args)
+    {
+        java.util.Scanner sc = new java.util.Scanner(System.in);
+        System.out.print("Enter a number to print its multiplication table: ");
+        int num = sc.nextInt();
+
+        System.out.println("Multiplication table for " + num + ":");
+        for (int i = 1; i <= 10; i++) {
+            System.out.println(num + " x " + i + " = " + (num * i));
+        }
+        //
+        // Close the scanner to prevent resource leaks
+        sc.close();
+    }
+}

FLOW_Q4_Krish.java

@@ -0,0 +1,30 @@
+// Take 2 numbers as inputs and find their HCF and LCM.
+public class FLOW_Q4_Krish
+{
+    public static void main(String[] args)
+    {
+        java.util.Scanner sc = new java.util.Scanner(System.in);
+        System.out.print("Enter first number: ");
+        int num1 = sc.nextInt();
+        System.out.print("Enter second number: ");
+        int num2 = sc.nextInt();
+
+        int hcf = findHCF(num1, num2);
+        int lcm = (num1 * num2) / hcf;
+
+        System.out.println("HCF of " + num1 + " and " + num2 + " is: " + hcf);
+        System.out.println("LCM of " + num1 + " and " + num2 + " is: " + lcm);
+
+        // Close the scanner to prevent resource leaks
+        sc.close();
+    }
+
+    private static int findHCF(int a, int b) {
+        while (b != 0) {
+            int temp = b;
+            b = a % b;
+            a = temp;
+        }
+        return a;
+    }   
+}

FLOW_Q5_Krish.java

@@ -0,0 +1,29 @@
+//Keep taking numbers as inputs till the user enters ‘x’, after that print sum of all.
+public class FLOW_Q5_Krish 
+{
+    public static void main(String[] args) 
+    {
+        java.util.Scanner sc = new java.util.Scanner(System.in);
+        int sum = 0;
+        String input;
+
+        System.out.println("Enter numbers to sum them up. Type 'x' to finish:");
+        while (true) {
+            input = sc.nextLine();
+            if (input.equalsIgnoreCase("x")) {
+                break;
+            }
+            try {
+                int num = Integer.parseInt(input);
+                sum += num;
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid input, please enter a number or 'x' to exit.");
+            }
+        }
+
+        System.out.println("The total sum is: " + sum);
+
+        // Close the scanner to prevent resource leaks
+        sc.close();
+    }
+}

FLow_Q2_Krish .java

@@ -0,0 +1,18 @@
+// Take two numbers and print the sum of both.
+import java.util.Scanner;
+class FLow_Q2_Krish 
+{
+    public static void main(String[] args) 
+    {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter first number: ");
+        int num1 = sc.nextInt();
+        System.out.print("Enter second number: ");
+        int num2 = sc.nextInt();
+
+        int sum = num1 + num2;
+        System.out.println("The sum of " + num1 + " and " + num2 + " is: " + sum);
+        // Close the scanner to prevent resource leaks
+        sc.close();
+    }
+}

lectures/20-trees/code/AVL/.project

@@ -22,12 +22,12 @@
 	</natures>
 	<filteredResources>
 		<filter>
-			<id>1679078569810</id>
+			<id>1752678436405</id>
 			<name></name>
 			<type>30</type>
 			<matcher>
 				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
 			</matcher>
 		</filter>
 	</filteredResources>

lectures/20-trees/code/Questions/.project

@@ -22,12 +22,12 @@
 	</natures>
 	<filteredResources>
 		<filter>
-			<id>1679078569810</id>
+			<id>1752678436432</id>
 			<name></name>
 			<type>30</type>
 			<matcher>
 				<id>org.eclipse.core.resources.regexFilterMatcher</id>
-				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+				<arguments>node_modules|\.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
 			</matcher>
 		</filter>
 	</filteredResources>