Merge branch 'develop' into exports

Author: bowbahdoe

src/objects/challenges.md

@@ -34,7 +34,7 @@ class Broom {
 class Witch {
     Object pullFromHat() {
         double r = Math.random();
-        if (Math.random() < 0.25) {
+        if (r < 0.25) {
             return new Spell("Ensmallen");
         }
         else if (r < 0.5) {

src/standard_input_ii/delayed_assignment.md

@@ -12,7 +12,7 @@ The problem with this is that Java isn't smart enough to know that you always in
 void main() {
     String name;
     while (true) {
-        String name = IO.readln("What is your name? ");
+        name = IO.readln("What is your name? ");
         if (name.isBlank()) {
             IO.println("Name cannot be blank!");
             continue;
@@ -31,7 +31,7 @@ To get around this you can either give an explicit default value.
 void main() {
     String name = null;
     while (true) {
-        String name = IO.readln("What is your name? ");
+        name = IO.readln("What is your name? ");
         if (name.isBlank()) {
             IO.println("Name cannot be blank!");
             continue;
@@ -52,7 +52,7 @@ to see that the code in the loop will run at least once.
 void main() {
     String name;
     do {
-        String name = IO.readln("What is your name? ");
+        name = IO.readln("What is your name? ");
         if (name.isBlank()) {
             IO.println("Name cannot be blank!");
             continue;

src/standard_input_ii/enums.md

@@ -32,7 +32,7 @@ enum StopLight {
 void main() {
     StopLight color;
     while (true) {
-    String colorString = IO.readln("What color was the stoplight? ");
+        String colorString = IO.readln("What color was the stoplight? ");
         try {
             color = StopLight.valueOf(colorString);
         } catch (RuntimeException e) {

src/time/instant.md

@@ -13,7 +13,7 @@ void main() {
 }
 ```
 
-But if you happen to know a number milliseconds after January 1, 1970 UTC[^epoch] you
+But if you happen to know the number of milliseconds since January 1, 1970 0:00 UTC[^epoch], you
 can get an `Instant` which represents that point in time with `Instant.ofEpochMilli`.
 
 ```java