Group 1 - Calc

.gitignore

@@ -152,4 +152,6 @@ fabric.properties
 
 
 #maven build target
-target/
+target/
+
+.DS_Store

pom.xml

@@ -7,6 +7,24 @@
     <groupId>com.zipcodewilmington</groupId>
     <artifactId>scientific_calculator</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.1</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <properties>
+        <maven.compiler.source>18</maven.compiler.source>
+        <maven.compiler.target>18</maven.compiler.target>
+    </properties>
 
 
 </project>

src/main/java/com/zipcodewilmington/scientificcalculator/CalcDisplayMode.java

@@ -0,0 +1,39 @@
+package com.zipcodewilmington.scientificcalculator;
+
+public enum CalcDisplayMode {
+    DECIMAL(1, "DEC"),
+    BINARY(2, "BIN"),
+    HEXADECIMAL(3, "HEX"),
+    OCTAL(4, "OCT");
+
+    int modeNum;
+    String abbrev;
+
+    CalcDisplayMode(int modeNum, String abbrev) {
+        this.modeNum = modeNum;
+        this.abbrev = abbrev;
+    }
+
+    public int getModeNum() {
+        return modeNum;
+    }
+
+    public String getAbbrev() {
+        return abbrev;
+    }
+    public int nextMode() {
+        if (this.modeNum == 4) {
+            return this.DECIMAL.modeNum;
+        }
+        return this.modeNum + 1;
+    }
+
+    public static CalcDisplayMode getModeByNum(int num) {
+        for (CalcDisplayMode mode : values()) {
+            if (mode.modeNum == num) {
+                return mode;
+            }
+        }
+        return null;
+    }
+}