git commit -m "Changed File"	modified:   Axis.java
git commit -m "Incorrect indexing"	modified:   Histogram1D.java
git commit -m "changes" 	modified:   Histogram2D.java
git commit -m "Test cases"	new file:   Histogram2DTest.java
git commit -m "Fixed methods"	modified:   Histogram3D.java
git commit -m "Test cases"	modified:   Histogram3DTest.java