Initial

test/StringArray.java

@@ -0,0 +1,67 @@
+import java.lang.ArrayIndexOutOfBoundsException;
+
+class StringArray
+{
+  private final int BlockSize=16;
+  private int mGrowBy=BlockSize;
+  private int mActualItemCount=0;
+  private int mVirtualItemCount=mGrowBy;
+  private String mStringArray[]=new String[mGrowBy];
+  
+  public String getAt(int arrayIndex)throws ArrayIndexOutOfBoundsException
+  {
+    if(arrayIndex>=size())throw new ArrayIndexOutOfBoundsException();
+    return mStringArray[arrayIndex];
+  }
+  public void setAt(String strItem,int arrayIndex)throws ArrayIndexOutOfBoundsException
+  {
+    if(arrayIndex>=size())throw new ArrayIndexOutOfBoundsException();
+    mStringArray[arrayIndex]=strItem;
+  }
+  public boolean insert(String strItem)
+  {
+    guarantee(size()+1);
+    mStringArray[size()]=strItem;
+    size(size()+1);
+    return true;
+  }
+  public void guarantee(int requiredSize)
+  {
+    if(virtualSize()>=requiredSize)return;
+    String tmpArray[]=new String[virtualSize()+growBy()];
+    for(int index=0;index<virtualSize();index++)tmpArray[index]=mStringArray[index];
+    mStringArray=new String[virtualSize()+growBy()];
+    virtualSize(virtualSize()+growBy());
+    for(int index=0;index<virtualSize();index++)mStringArray[index]=tmpArray[index];    
+  }
+  public int size()
+  {
+    return mActualItemCount;
+  }
+  private void size(int actualItemCount)
+  {
+    mActualItemCount=actualItemCount;
+  }
+  private int virtualSize()
+  {
+    return mVirtualItemCount;
+  }
+  private void virtualSize(int virtualSize)
+  {
+    mVirtualItemCount=virtualSize;
+  }
+  public int growBy()
+  {
+    return mGrowBy;
+  }
+  public void growBy(int growBy)
+  {
+    mGrowBy=growBy;
+  }
+  public void clear()
+  {
+    mStringArray=new String[growBy()];  
+    size(0);
+    virtualSize(growBy());
+  }
+}