renaming bigDecimalGrade method + removing the GENDER constant

core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/accessmodifiers/publicmodifier/SpecialCharacters.java

@@ -0,0 +1,7 @@
+package com.baeldung.accessmodifiers.publicmodifier;
+
+public class SpecialCharacters {
+
+    public static final String SLASH = "/";
+    
+}

core-java-modules/core-java-lang-oop-2/src/main/java/com/baeldung/accessmodifiers/publicmodifier/Student.java

@@ -10,13 +10,12 @@ public class Student {
     private BigDecimal grade; //new representation
     private String name;   
     private int age;
-    public static final String GENDER = "male";
 
     public int getGrade() {
         return grade.intValue(); //Backward compatibility
     }
     
-    public BigDecimal bigDecimalGrade() {
+    public BigDecimal getBigDecimalGrade() {
         return grade;
     }
     
@@ -28,9 +27,10 @@ public class Student {
     }
         
     public void setAge(int age) {
-        if (age < 0 || age > 150)
+        if (age < 0 || age > 150) {
             throw new IllegalArgumentException();
-
+        }
+        
         this.age = age;
     }
 

core-java-modules/core-java-lang-oop-2/src/test/java/com/baeldung/accessmodifiers/PublicAccessModifierUnitTest.java

@@ -4,7 +4,6 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.TestInstance;
 import org.junit.jupiter.api.TestInstance.Lifecycle;
 import com.baeldung.accessmodifiers.publicmodifier.ListOfThree;
-import com.baeldung.accessmodifiers.publicmodifier.Student;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -22,16 +21,11 @@ public class PublicAccessModifierUnitTest {
         assertEquals(0, new BigDecimal(0).intValue()); //instance member
     }
     
-    @Test
-    public void whenUsingGenderPublicStaticFinalField_getReferenceToStringMale() {
-        assertEquals("male", Student.GENDER);
-    }
-    
     @Test
     public void whenUsingIntegerMaxValueField_maxPossibleIntValueIsReturned() {
         assertEquals(2147483647, Integer.MAX_VALUE); //static field
     }
-    
+        
     @Test
     public void whenUsingStringToLowerCase_stringTurnsToLowerCase() {
         assertEquals("alex", "ALEX".toLowerCase());