段階３完了しました

javalesson1/src/javalesson1/StringCheck.java

@@ -22,5 +22,15 @@ public class StringCheck {
         String str= text.trim();
         
         System.out.println(str);
+        int length=str.length();
+        System.out.println(length==0);
+        System.out.println(length> 140);
+        System.out.println(140 - length);
+        
+        System.out.println(classNames[0]);
+        System.out.println(str);
+        System.out.println();
+        System.out.println(classNames[3]);
+        System.out.println(str);
     }
 }