From 7aaf3cf7d67b4fae31f484ae56f503f270bbd96c Mon Sep 17 00:00:00 2001 From: Jonas Finborud Nyman Date: Wed, 8 Jan 2025 11:52:27 +0100 Subject: [PATCH] Completed exercises --- .../java/com/booleanuk/core/Exercise.java | 25 +++++++++++++------ 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/src/main/java/com/booleanuk/core/Exercise.java b/src/main/java/com/booleanuk/core/Exercise.java index e1485c3..b251a34 100644 --- a/src/main/java/com/booleanuk/core/Exercise.java +++ b/src/main/java/com/booleanuk/core/Exercise.java @@ -47,7 +47,9 @@ public HashMap createPerson() { The method must return the value associated to the provided key from the HashMap created in the createPerson method */ - + public String getValue(String key) { + return createPerson().get(key); + } /* @@ -57,7 +59,9 @@ public HashMap createPerson() { The method must return a boolean that represents whether the string provided exists as a key in the provided HashMap */ - + public boolean hasKey(HashMap map, String key) { + return map.containsKey(key); + } /* @@ -67,7 +71,11 @@ public HashMap createPerson() { The method must use the string provided to return the integer contained in the provided HashMap, or -1 if the string provided is not a key in the HashMap */ - + public int getValueOrDefault(HashMap map, String key) { + if(map.containsKey(key)) { + return map.get(key); + } else return -1; + } /* @@ -89,13 +97,16 @@ public ArrayList buildSecretPhrase(ArrayList numbers) { map.put(7, "muse"); map.put(96, "nice"); // Write your code below this comment... - - - + ArrayList newList = new ArrayList<>(); + for(Integer i : numbers) { + if(map.containsKey(i)) { + newList.add(map.get(i)); + } + } // ...and above this comment // Change the return statement below to return your actual ArrayList - return new ArrayList(); + return newList; } }