diff --git a/src/main/java/com/eactive/eai/transformer/function/convert/ADDPOINT.java b/src/main/java/com/eactive/eai/transformer/function/convert/ADDPOINT.java
index cc35162..013855d 100644
--- a/src/main/java/com/eactive/eai/transformer/function/convert/ADDPOINT.java
+++ b/src/main/java/com/eactive/eai/transformer/function/convert/ADDPOINT.java
@@ -81,14 +81,14 @@ public class ADDPOINT extends PostfixMathCommand {
     }
     public static void main(String[] args) throws Exception{
     	ADDPOINT point = new ADDPOINT();
-    	System.out.println(new String(point.addPoint("000000000100",12,0)));
+    	// System.out.println(new String(point.addPoint("000000000100",12,0)));
     	try{
-    	System.out.println(Long.valueOf(new String(point.addPoint("000000000100",12,0))));
+    	// System.out.println(Long.valueOf(new String(point.addPoint("000000000100",12,0))));
     	}catch(Exception e){
     		e.printStackTrace();
     	}
     	try{
-    		System.out.println(new BigDecimal(new String(point.addPoint("000000000100",12,0))));
+    		// System.out.println(new BigDecimal(new String(point.addPoint("000000000100",12,0))));
     	}catch(Exception e){
     		e.printStackTrace();
     	}
diff --git a/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINT.java b/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINT.java
index 795a896..3b3cb34 100644
--- a/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINT.java
+++ b/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINT.java
@@ -118,8 +118,8 @@ public class REMOVEPOINT extends PostfixMathCommand {
 //    	System.out.println(new String(point.addStack(new String("1.2"), 6, 0)));
 //    	System.out.println(new String(point.addStack(new String("1.2"), 12, 2)));
 //    	System.out.println(new String(point.addStack(new BigDecimal("1000000000000000000.2"), 20, 2)));
-    	System.out.println(new String(point.addStack(new Double("1000000000000000.2"), 20, 2))); // 16 decimal digits available
-    	System.out.println(new String(point.addStack(new Double("1.0000000000000002"), 1, 20))); // 16 decimal digits available
+    	// System.out.println(new String(point.addStack(new Double("1000000000000000.2"), 20, 2))); // 16 decimal digits available
+    	// System.out.println(new String(point.addStack(new Double("1.0000000000000002"), 1, 20))); // 16 decimal digits available
     	
     }
     /**
diff --git a/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINTS.java b/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINTS.java
index f3763be..7661a93 100644
--- a/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINTS.java
+++ b/src/main/java/com/eactive/eai/transformer/function/convert/REMOVEPOINTS.java
@@ -120,11 +120,11 @@ public class REMOVEPOINTS extends PostfixMathCommand {
     public static void main(String[] args) throws Exception{
     	REMOVEPOINTS point = new REMOVEPOINTS();
     	
-    	System.out.println(new String(point.addStack(new String("-1.2"), 6, 2)));
-    	System.out.println(new String(point.addStack(new String("-1.2"), 6, 0)));
-    	System.out.println(new String(point.addStack(new String("-1.2"), 12, 2)));
-    	System.out.println(new String(point.addStack(new BigDecimal("-1000000000000000000.2"), 20, 2)));
-    	System.out.println(new String(point.addStack(new Double("-1000000000000000000.2"), 20, 2)));
+    	// System.out.println(new String(point.addStack(new String("-1.2"), 6, 2)));
+    	// System.out.println(new String(point.addStack(new String("-1.2"), 6, 0)));
+    	// System.out.println(new String(point.addStack(new String("-1.2"), 12, 2)));
+    	// System.out.println(new String(point.addStack(new BigDecimal("-1000000000000000000.2"), 20, 2)));
+    	// System.out.println(new String(point.addStack(new Double("-1000000000000000000.2"), 20, 2)));
     	
     }
     /**
diff --git a/src/main/java/com/eactive/eai/transformer/function/generic/LeftTrim.java b/src/main/java/com/eactive/eai/transformer/function/generic/LeftTrim.java
index 5828f30..b1622e5 100644
--- a/src/main/java/com/eactive/eai/transformer/function/generic/LeftTrim.java
+++ b/src/main/java/com/eactive/eai/transformer/function/generic/LeftTrim.java
@@ -32,6 +32,6 @@ public class LeftTrim extends PostfixMathCommand {
     	inStack.add(" abd  ");
     	t.run(inStack);
     	String data = (String)inStack.pop();
-    	System.out.println("["+data+"]");
+    	// System.out.println("["+data+"]");
     }
 }
diff --git a/src/main/java/com/eactive/eai/transformer/function/generic/RightTrim.java b/src/main/java/com/eactive/eai/transformer/function/generic/RightTrim.java
index 75653a1..84a2c64 100644
--- a/src/main/java/com/eactive/eai/transformer/function/generic/RightTrim.java
+++ b/src/main/java/com/eactive/eai/transformer/function/generic/RightTrim.java
@@ -32,6 +32,6 @@ public class RightTrim extends PostfixMathCommand {
     	inStack.add(" abd  ");
     	t.run(inStack);
     	String data = (String)inStack.pop();
-    	System.out.println("["+data+"]");
+    	// System.out.println("["+data+"]");
     }
 }
diff --git a/src/main/java/com/eactive/eai/transformer/function/validate/ifblank.java b/src/main/java/com/eactive/eai/transformer/function/validate/ifblank.java
index 47b227a..f1f1aa9 100644
--- a/src/main/java/com/eactive/eai/transformer/function/validate/ifblank.java
+++ b/src/main/java/com/eactive/eai/transformer/function/validate/ifblank.java
@@ -41,7 +41,7 @@ public class ifblank extends PostfixMathCommand {
 		
 		new ifblank().run(sk);
 		
-		System.out.println(sk.pop());
+		// System.out.println(sk.pop());
 		
 		
 	}
diff --git a/src/main/java/com/eactive/eai/transformer/util/ByteUtil.java b/src/main/java/com/eactive/eai/transformer/util/ByteUtil.java
index 0268f7e..4723a19 100644
--- a/src/main/java/com/eactive/eai/transformer/util/ByteUtil.java
+++ b/src/main/java/com/eactive/eai/transformer/util/ByteUtil.java
@@ -229,44 +229,44 @@ public class ByteUtil {
 	    	//System.out.println("sub="+new String(data));
     	}
 		stopWatch.stop();
-		System.out.println("    elapsed       : " + stopWatch.toString());
+		// System.out.println("    elapsed       : " + stopWatch.toString());
 
 		byte[] data = null;
     	//merge
     	data = ByteUtil.merge("12345".getBytes(), "67890".getBytes());
-    	System.out.println("merge="+new String(data));
+    	// System.out.println("merge="+new String(data));
     	
     	//copy
     	data = ByteUtil.copy("12345".getBytes());
-    	System.out.println("copy="+new String(data));
+    	// System.out.println("copy="+new String(data));
     	
     	data = ByteUtil.paddingleft("12345".getBytes(), 10, (byte)0x30);
-    	System.out.println("paddingleft="+new String(data));
+    	// System.out.println("paddingleft="+new String(data));
     	data = ByteUtil.paddingleft("12345".getBytes(), 5, (byte)0x30);
-    	System.out.println("paddingleft="+new String(data));
+    	// System.out.println("paddingleft="+new String(data));
     	
     	
     	data = ByteUtil.paddingleft("12345".getBytes(), 10, (byte)0x30);
-    	System.out.println("paddingleft="+new String(data));
+    	// System.out.println("paddingleft="+new String(data));
     	data = ByteUtil.paddingleft("12345".getBytes(), 5, (byte)0x30);
-    	System.out.println("paddingleft="+new String(data));
+    	// System.out.println("paddingleft="+new String(data));
 
 		int length = 10;
     	data = ByteUtil.padding("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("padding="+new String(data));
+    	// System.out.println("padding="+new String(data));
     	data = ByteUtil.paddingright("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("paddingright="+new String(data));
+    	// System.out.println("paddingright="+new String(data));
     	
     	length = 5;
     	data = ByteUtil.padding("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("padding="+new String(data));
+    	// System.out.println("padding="+new String(data));
     	data = ByteUtil.paddingright("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("paddingright="+new String(data));
+    	// System.out.println("paddingright="+new String(data));
     	
     	length = 4;
     	data = ByteUtil.padding("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("padding="+new String(data));
+    	// System.out.println("padding="+new String(data));
     	data = ByteUtil.paddingright("12345".getBytes(), length, (byte)0x30);
-    	System.out.println("paddingright="+new String(data));
+    	// System.out.println("paddingright="+new String(data));
     }
 }