modify code structure

Author: algorithmzuo

src/class01_01/Code01_SelectionSort.java renamed to src/class01/Code01_SelectionSort.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code02_BubbleSort.java renamed to src/class01/Code02_BubbleSort.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code03_InsertionSort.java renamed to src/class01/Code03_InsertionSort.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code04_BSExist.java renamed to src/class01/Code04_BSExist.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code05_BSNearLeft.java renamed to src/class01/Code05_BSNearLeft.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code05_BSNearRight.java renamed to src/class01/Code05_BSNearRight.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 import java.util.Arrays;
 

src/class01_01/Code06_BSAwesome.java renamed to src/class01/Code06_BSAwesome.java

@@ -1,4 +1,4 @@
-package class01_01;
+package class01;
 
 public class Code06_BSAwesome {
 

src/class01_02/Code01_Swap.java renamed to src/class02/Code01_Swap.java

@@ -1,4 +1,4 @@
-package class01_02;
+package class02;
 
 public class Code01_Swap {
 

src/class01_02/Code02_EvenTimesOddTimes.java renamed to src/class02/Code02_EvenTimesOddTimes.java

@@ -1,4 +1,4 @@
-package class01_02;
+package class02;
 
 public class Code02_EvenTimesOddTimes {
 

src/class01_02/Code03_KM.java renamed to src/class02/Code03_KM.java

@@ -1,4 +1,4 @@
-package class01_02;
+package class02;
 
 import java.util.HashMap;
 import java.util.HashSet;