feat(practice): .compareTo String class

.vscode/launch.json

@@ -1,5 +1,12 @@
 {
     "configurations": [
+        {
+            "type": "java",
+            "name": "Test",
+            "request": "launch",
+            "mainClass": "Test",
+            "projectName": "my-app"
+        },
         {
             "type": "java",
             "name": "Launch App",

src/test/java/CompareToTest.java

@@ -0,0 +1,27 @@
+// Just some practice with .compareTo method of String class
+
+import org.junit.Test;
+
+public class CompareToTest {
+    @Test
+    public void main(String[] args) {
+        String a = "gene";
+        String b = "deter";
+        String c = "remedy";
+        String d = "chocolate";
+        String e = "supress";
+
+        String[] o = { a, b, c, d, e };
+
+        for (int i = 0; i<5; i++){
+            for (int j=0; j<5; j++){
+                System.out.println(o[i].compareTo(o[j]));
+            }
+        }
+        // 0
+        // positive
+        // negative
+        // etc.
+
+    }
+}