diff --git a/.idea/misc.xml b/.idea/misc.xml
index 639900d..172df7b 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/Java-Lab-003.iml b/Java-Lab-003.iml
index b46c0dd..e1006ff 100644
--- a/Java-Lab-003.iml
+++ b/Java-Lab-003.iml
@@ -5,6 +5,7 @@
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
     </content>
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
 </module>
\ No newline at end of file
diff --git a/error1.png b/error1.png
new file mode 100644
index 0000000..f1b17ea
Binary files /dev/null and b/error1.png differ
diff --git a/error2.png b/error2.png
new file mode 100644
index 0000000..806256d
Binary files /dev/null and b/error2.png differ
diff --git a/error3.png b/error3.png
new file mode 100644
index 0000000..5dd5143
Binary files /dev/null and b/error3.png differ
diff --git a/src/Format.java b/src/Format.java
new file mode 100644
index 0000000..8c7e76b
--- /dev/null
+++ b/src/Format.java
@@ -0,0 +1,16 @@
+public class Format {
+
+    public static void main(String[] args) {
+
+        int Value = 24;
+        System.out.printf("%f", Value);
+
+        double doubleValue = 6.42;
+        System.out.printf("%d", doubleValue);
+
+        int Value1 = 42;
+        System.out.printf("%d %s", Value1);
+
+
+    }
+}
diff --git a/src/TempConvert.java b/src/TempConvert.java
new file mode 100644
index 0000000..8132b67
--- /dev/null
+++ b/src/TempConvert.java
@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class TempConvert {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter a temperature in Celsius: ");
+        double celsius = scanner.nextDouble();
+
+        double fahrenheit = celsius * 9 / 5 + 32;
+        System.out.printf("%.1f C = %.1f F%n", celsius, fahrenheit);
+
+        scanner.close();
+
+    }
+}
diff --git a/src/TimeConvert.java b/src/TimeConvert.java
new file mode 100644
index 0000000..28f94cd
--- /dev/null
+++ b/src/TimeConvert.java
@@ -0,0 +1,19 @@
+import java.util.Scanner;
+
+public class TimeConvert {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Enter the total number of seconds: ");
+        int totalSeconds = scanner.nextInt();
+
+        int hours = totalSeconds / 3600;
+        int minutes = (totalSeconds % 3600) / 60;
+        int seconds = totalSeconds % 60;
+
+        System.out.printf("%d seconds = %d hours, %d minutes, and %d seconds%n", totalSeconds, hours, minutes, seconds);
+
+        scanner.close();
+    }
+}
+