move self implemented NestedInteger class to common package

fishercoder1534 · fishercoder1534 · commit 107f4051bf65 · 2016-08-19T07:57:08.000-07:00
diff --git a/Common/src/classes/NestedInteger.java b/Common/src/classes/NestedInteger.java
@@ -0,0 +1,67 @@
+package classes;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class NestedInteger {
+
+    private List<NestedInteger> list;
+    private Integer integer;
+    
+    public NestedInteger(List<NestedInteger> list){
+        this.list = list;
+    }
+    
+    public void add(NestedInteger nestedInteger) {
+        if(this.list != null){
+            this.list.add(nestedInteger);
+        } else {
+            this.list = new ArrayList();
+            this.list.add(nestedInteger);
+        }
+    }
+
+    public void setInteger(int num) {
+        this.integer = num;
+    }
+
+    public NestedInteger(Integer integer){
+        this.integer = integer;
+    }
+
+    public NestedInteger() {
+        this.list = new ArrayList();
+    }
+
+    public boolean isInteger() {
+        return integer != null;
+    }
+
+    public Integer getInteger() {
+        return integer;
+    }
+
+    public List<NestedInteger> getList() {
+        return list;
+    }
+    
+    public String printNi(NestedInteger thisNi, StringBuilder sb){
+        if(thisNi.isInteger()) {
+            sb.append(thisNi.integer);
+            sb.append(",");
+        }
+        sb.append("[");
+        for(NestedInteger ni : thisNi.list){
+            if(ni.isInteger()) {
+                sb.append(ni.integer);
+                sb.append(",");
+            }
+            else {
+                printNi(ni, sb);
+            }
+        }
+        sb.append("]");
+        return sb.toString();
+    }
+
+}
diff --git a/MEDIUM/src/medium/MiniParser.java b/MEDIUM/src/medium/MiniParser.java
@@ -1,9 +1,9 @@
 package medium;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Stack;
 
+import classes.NestedInteger;
+
 public class MiniParser {
     
     //Lessons: ask the interviewer to clarify the input, for this question, the input could be "324", "[324]", they are different
@@ -98,65 +98,3 @@ public static void main(String...args){
         System.out.println(result.printNi(result, new StringBuilder()));
     }
 }
-
-class NestedInteger {
-    private List<NestedInteger> list;
-    private Integer integer;
-    
-    public NestedInteger(List<NestedInteger> list){
-        this.list = list;
-    }
-    
-    public void add(NestedInteger nestedInteger) {
-        if(this.list != null){
-            this.list.add(nestedInteger);
-        } else {
-            this.list = new ArrayList();
-            this.list.add(nestedInteger);
-        }
-    }
-
-    public void setInteger(int num) {
-        this.integer = num;
-    }
-
-    public NestedInteger(Integer integer){
-        this.integer = integer;
-    }
-
-    public NestedInteger() {
-        this.list = new ArrayList();
-    }
-
-    public boolean isInteger() {
-        return integer != null;
-    }
-
-    public Integer getInteger() {
-        return integer;
-    }
-
-    public List<NestedInteger> getList() {
-        return list;
-    }
-    
-    public String printNi(NestedInteger thisNi, StringBuilder sb){
-        if(thisNi.isInteger()) {
-            sb.append(thisNi.integer);
-            sb.append(",");
-        }
-        sb.append("[");
-        for(NestedInteger ni : thisNi.list){
-            if(ni.isInteger()) {
-                sb.append(ni.integer);
-                sb.append(",");
-            }
-            else {
-                printNi(ni, sb);
-            }
-        }
-        sb.append("]");
-        return sb.toString();
-    }
-}
-
