From 896da2e9514bfeeba9884723d2cae6e905406b5b Mon Sep 17 00:00:00 2001
From: motunrayo <motunrayo904@gmail.com>
Date: Fri, 9 Dec 2022 00:28:58 +0100
Subject: [PATCH] Exercise One

---
 .../com/serenitydojo/HelloWorldWriter.java    | 12 ++++
 .../serenitydojo/HelloWorldWriterTest.java    | 25 +++++++
 .../java/com/serenitydojo/NewExercise.java    | 67 +++++++++++++++++++
 3 files changed, 104 insertions(+)
 create mode 100644 src/main/java/com/serenitydojo/HelloWorldWriter.java
 create mode 100644 src/test/java/com/serenitydojo/HelloWorldWriterTest.java
 create mode 100644 src/test/java/com/serenitydojo/NewExercise.java

diff --git a/src/main/java/com/serenitydojo/HelloWorldWriter.java b/src/main/java/com/serenitydojo/HelloWorldWriter.java
new file mode 100644
index 0000000..b8f9c24
--- /dev/null
+++ b/src/main/java/com/serenitydojo/HelloWorldWriter.java
@@ -0,0 +1,12 @@
+package com.serenitydojo;
+
+public class HelloWorldWriter {
+
+    public void writeHelloWorld() {
+        System.out.println("Hello World!");
+
+    }
+
+
+
+}
diff --git a/src/test/java/com/serenitydojo/HelloWorldWriterTest.java b/src/test/java/com/serenitydojo/HelloWorldWriterTest.java
new file mode 100644
index 0000000..f4a352e
--- /dev/null
+++ b/src/test/java/com/serenitydojo/HelloWorldWriterTest.java
@@ -0,0 +1,25 @@
+package com.serenitydojo;
+
+import org.junit.Test;
+
+public class HelloWorldWriterTest {
+
+   @Test
+    public void shouldwriteHelloWorldToTheConsole() {
+       HelloWorldWriter writer = new HelloWorldWriter();
+       writer.writeHelloWorld();
+
+   }
+
+    @Test
+    public void declaringNumericalVariables() {
+
+        int ageThisYear = 42;
+
+        int ageNextYear = ageThisYear + 3;
+
+        System.out.println("age =" + ageNextYear);
+    }
+
+
+}
diff --git a/src/test/java/com/serenitydojo/NewExercise.java b/src/test/java/com/serenitydojo/NewExercise.java
new file mode 100644
index 0000000..4087501
--- /dev/null
+++ b/src/test/java/com/serenitydojo/NewExercise.java
@@ -0,0 +1,67 @@
+package com.serenitydojo;
+
+import org.junit.Test;
+
+public class NewExercise {
+    @Test
+    public void convertToLowerCase(){
+  //Converting to lower case
+        String bookTitle = "THE CAT IN THE HAT";
+
+        String lowerCaseTitle = bookTitle.toLowerCase();
+
+        System.out.println(lowerCaseTitle);
+
+    }
+
+    @Test
+    public void convertToUpperCase(){
+        //Converting to upper case
+              String bookTitle = "the cat in the hat";
+
+              String upperCaseTitle = bookTitle.toUpperCase();
+
+              System.out.println(upperCaseTitle);
+    }
+
+    @Test
+    public void trimExtraSpace(){
+        //Trim extra space
+
+            String bookTitle = "  The Cat In The Hat  ";
+
+            String str = "  The Cat In The Hat  ";
+
+            System.out.println(str);
+
+            System.out.println(str.trim());
+
+    }
+
+       @Test
+        public void findingTheLengthOfaString(){
+            // Finding The Length Of A String
+
+           String bookTitle = "The Cat In The Hat";
+
+           int stringSize= bookTitle.length();
+
+           System.out.println(bookTitle);
+
+       }
+
+
+    @Test
+    public void replacingTextInAstring() {
+        //Replacing text in a string
+
+       String  bookTitle= "The Cat In The Hat";
+
+       String updatedTitle = bookTitle.replace("Hat", "Basket");
+
+       System.out.println(updatedTitle);
+
+    }
+
+
+     }