diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayAccess.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayAccess.java
index 0ecfc2f..a161efb 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayAccess.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayAccess.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class ArrayAccess extends Statement {
 	private String arrayClassName;
 	private String arrayObjectId;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayCreate.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayCreate.java
index 9932018..f67dccc 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayCreate.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayCreate.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class ArrayCreate extends Statement {
 	private String arrayClassName;
 	private String arrayObjectId;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayUpdate.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayUpdate.java
index 4087b32..b747885 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayUpdate.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ArrayUpdate.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class ArrayUpdate extends Statement {
 	private String arrayClassName;
 	private String arrayObjectId;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/BlockEnter.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/BlockEnter.java
index b7c454c..f2bda88 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/BlockEnter.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/BlockEnter.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class BlockEnter extends Statement {
 	private int blockId;
 	private int incomings;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldAccess.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldAccess.java
index 36d8284..4068cff 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldAccess.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldAccess.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class FieldAccess extends Statement {
 	private String fieldName;
 	private String containerClassName;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldUpdate.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldUpdate.java
index 6261ec8..c05171e 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldUpdate.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/FieldUpdate.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class FieldUpdate extends Statement {
 	private String fieldName;
 	private String containerClassName;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/IStatementVisitor.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/IStatementVisitor.java
index 6fe1473..11e174d 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/IStatementVisitor.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/IStatementVisitor.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public interface IStatementVisitor {
 	abstract public boolean preVisitStatement(Statement statement);
 	abstract public boolean postVisitStatement(Statement statement);
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodExecution.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodExecution.java
index 3eabbf5..32f7388 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodExecution.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodExecution.java
@@ -3,7 +3,6 @@
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 
 public class MethodExecution {
 	private String signature;
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodInvocation.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodInvocation.java
index 923d6c8..1faa8ea 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodInvocation.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/MethodInvocation.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class MethodInvocation extends Statement {
 	private MethodExecution calledMethodExecution = null;
 	protected String thisClassName;
@@ -48,5 +47,5 @@
 
 	public String getCallerSideMethodName() {
 		return callerSideMethodName;
-	}	
+	}
 }
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Reference.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Reference.java
index 79985c9..1819605 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Reference.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Reference.java
@@ -1,6 +1,5 @@
 package org.ntlab.traceCollector.tracer.trace;
 
-
 public class Reference {
 	private String id;
 	private ObjectReference srcObj;			// �Q�ƌ��I�u�W�F�N�g
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Statement.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Statement.java
index c669fee..307b0c7 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Statement.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/Statement.java
@@ -25,5 +25,5 @@
 
 	public long getTimeStamp() {
 		return timeStamp;
-	}	
+	}
 }
\ No newline at end of file
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ThreadInstance.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ThreadInstance.java
index faf635c..341c0b9 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ThreadInstance.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/ThreadInstance.java
@@ -4,7 +4,6 @@
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
-import java.util.List;
 
 public class ThreadInstance {
 	private ArrayList<MethodExecution> roots = new ArrayList<MethodExecution>();
@@ -171,7 +170,7 @@
 	public MethodExecution getCurrentMethodExecution() {
 		return curMethodExecution;
 	}
-		
+	
 	public TracePoint getCurrentTracePoint() {
 		return new TracePoint(curMethodExecution, curMethodExecution.getStatements().size() - 1);
 	}
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
index 3f1f6ab..8a1c4e7 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/trace/TraceJSON.java
@@ -25,7 +25,7 @@
 	 * �w�肵��JSON�̃g���[�X�t�@�C������ǂ��� Trace �I�u�W�F�N�g�𐶐�����
 	 * @param file �g���[�X�t�@�C��
 	 */
-	private TraceJSON(BufferedReader file) {
+	public TraceJSON(BufferedReader file) {
 		try {
 			readJSON(file);
 			file.close();		
@@ -38,7 +38,7 @@
 	 * �w�肵��JSON�̃g���[�X�t�@�C������ǂ��� Trace �I�u�W�F�N�g�𐶐�����
 	 * @param traceFile �g���[�X�t�@�C���̃p�X
 	 */
-	private TraceJSON(String traceFile) {
+	public TraceJSON(String traceFile) {
 		BufferedReader file;
 		try {
 			file = new BufferedReader(new FileReader(traceFile));