Merge pull request #18 from kabutz/master

Small typos

Author: forax

chapter00-genesis.jsh

@@ -9,7 +9,7 @@
 // ## Types
 // A primitive type is stored as value while an object is stored as
 // a reference (the address of the object in memory).
-// In Java, `var` create a new variable
+// In Java, `var` creates a new variable
 var maxIntensity = 1.0;   // it's a value
 var colorName = "black";  // it's a reference to String somewhere in memory
 
@@ -35,8 +35,8 @@ System.out.println("the value of colorName is " + colorName);
 record Light(String color, double intensity) {}
 
 // ### Object creation with `new`
-// To create an object in memory, we use the operator `new` followed by the value of each record components
-// the following instruction create a Light with "blue" as color and 1.0 as intensity.
+// To create an object in memory, we use the operator `new` followed by the value of each record component.
+// The following instruction creates a Light with "blue" as color and 1.0 as intensity.
 var blueLight = new Light("blue", 1.0);
 System.out.println(blueLight);
 
@@ -58,7 +58,7 @@ System.out.println(blueLight.toString());
 System.out.println(blueLight);
 
 // ### equals()
-// In Java, you can ask if two objects are equals, using the method equals(Object).
+// In Java, you can ask if two objects are equal, using the method equals(Object).
 // The return value is a boolean (a primitive type that is either true or false).
 var redLight = new Light("red", 0.5);
 var redLight2 = new Light("red", 0.5);
@@ -83,4 +83,4 @@ System.out.println(greenLight2.hashCode());
 // call on an object using the operator `.`.
 // A Record defines methods to access the value of a component, and also
 // `toString()` to get the textual representation of an object and
-// `equals()` and `hashCode()` to test if two objects are equals.
+// `equals()` and `hashCode()` to test if two objects are equal.