From fe0e16568d0e2b200984057a0ae5a179071b0791 Mon Sep 17 00:00:00 2001
From: 101zh <67253838+101zh@users.noreply.github.com>
Date: Wed, 25 Oct 2023 16:13:50 +0000
Subject: [PATCH 1/3] feat(4.1.1): Finish U4_L1_Activity_One

---
 .vscode/launch.json                         |  7 +++++++
 src/main/java/Unit4/U4_L1_Activity_One.java | 20 ++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/main/java/Unit4/U4_L1_Activity_One.java

diff --git a/.vscode/launch.json b/.vscode/launch.json
index 2d68418..b72fe2a 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,5 +1,12 @@
 {
     "configurations": [
+        {
+            "type": "java",
+            "name": "U4_L1_Activity_One",
+            "request": "launch",
+            "mainClass": "Unit4.U4_L1_Activity_One",
+            "projectName": "my-app"
+        },
         {
             "type": "java",
             "name": "Assignment3",
diff --git a/src/main/java/Unit4/U4_L1_Activity_One.java b/src/main/java/Unit4/U4_L1_Activity_One.java
new file mode 100644
index 0000000..607b503
--- /dev/null
+++ b/src/main/java/Unit4/U4_L1_Activity_One.java
@@ -0,0 +1,20 @@
+package Unit4;
+
+import java.util.Scanner;
+
+public class U4_L1_Activity_One {
+    public static void main(String[] args){
+        Scanner scanner = new Scanner(System.in);
+
+        int num=0;
+        System.out.println("Enter any numbers (Enter 5 to stop)");
+        int sum=0;
+        while (num!=5){
+            sum+=num;
+            num=scanner.nextInt();
+        }
+
+        System.out.println("Sum is "+sum);
+        scanner.close();
+    }
+}

From d4064ef308c66ddb9b94d52d960bff7f4d1a4214 Mon Sep 17 00:00:00 2001
From: 101zh <67253838+101zh@users.noreply.github.com>
Date: Wed, 25 Oct 2023 16:15:00 +0000
Subject: [PATCH 2/3] feat(4.1.2): Finish U4_L1_Activity_Two

---
 .vscode/launch.json                         |  7 +++++++
 src/main/java/Unit4/U4_L1_Activity_Two.java | 21 +++++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 src/main/java/Unit4/U4_L1_Activity_Two.java

diff --git a/.vscode/launch.json b/.vscode/launch.json
index b72fe2a..0043355 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,5 +1,12 @@
 {
     "configurations": [
+        {
+            "type": "java",
+            "name": "U4_L1_Activity_Two",
+            "request": "launch",
+            "mainClass": "Unit4.U4_L1_Activity_Two",
+            "projectName": "my-app"
+        },
         {
             "type": "java",
             "name": "U4_L1_Activity_One",
diff --git a/src/main/java/Unit4/U4_L1_Activity_Two.java b/src/main/java/Unit4/U4_L1_Activity_Two.java
new file mode 100644
index 0000000..d6282f8
--- /dev/null
+++ b/src/main/java/Unit4/U4_L1_Activity_Two.java
@@ -0,0 +1,21 @@
+package Unit4;
+
+import java.util.Scanner;
+
+public class U4_L1_Activity_Two {
+    public static void main(String[] args){
+        Scanner scanner = new Scanner(System.in);
+
+        int largest=0;
+        int num=0;
+        while (num!=-1){
+            num = scanner.nextInt();
+            if(largest<num){
+                largest=num;
+            }
+        }
+
+        System.out.println("The largest score is "+largest);
+        scanner.close();
+    }
+}

From 3669c6878e409cf719fe0196f509740031687a84 Mon Sep 17 00:00:00 2001
From: 101zh <67253838+101zh@users.noreply.github.com>
Date: Wed, 25 Oct 2023 16:16:06 +0000
Subject: [PATCH 3/3] feat(4.1.3): Finish U4_L1_Activity_Three

---
 .vscode/launch.json                           |  7 ++++++
 src/main/java/Unit4/U4_L1_Activity_Three.java | 24 +++++++++++++++++++
 2 files changed, 31 insertions(+)
 create mode 100644 src/main/java/Unit4/U4_L1_Activity_Three.java

diff --git a/.vscode/launch.json b/.vscode/launch.json
index 0043355..f260dec 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,5 +1,12 @@
 {
     "configurations": [
+        {
+            "type": "java",
+            "name": "U4_L1_Activity_Three",
+            "request": "launch",
+            "mainClass": "Unit4.U4_L1_Activity_Three",
+            "projectName": "my-app"
+        },
         {
             "type": "java",
             "name": "U4_L1_Activity_Two",
diff --git a/src/main/java/Unit4/U4_L1_Activity_Three.java b/src/main/java/Unit4/U4_L1_Activity_Three.java
new file mode 100644
index 0000000..f9d457d
--- /dev/null
+++ b/src/main/java/Unit4/U4_L1_Activity_Three.java
@@ -0,0 +1,24 @@
+package Unit4;
+
+import java.util.Scanner;
+
+public class U4_L1_Activity_Three {
+    public static void main(String[] args){
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.println("Input a word:");
+        String word =scanner.nextLine();
+
+        int index=0;
+        while (index<word.length()){
+            
+            if((index+1)%3!=0 && index<word.length()){
+                System.out.print(word.substring(index, index+1));
+            }
+
+            index++;
+        }
+
+        scanner.close();
+    }
+}