diff --git a/jode/jode/expr/CheckCastOperator.java b/jode/jode/expr/CheckCastOperator.java
index 4523161..d5e2430 100644
--- a/jode/jode/expr/CheckCastOperator.java
+++ b/jode/jode/expr/CheckCastOperator.java
@@ -20,11 +20,10 @@
 package jode;
 
 public class CheckCastOperator extends SimpleOperator {
-    String typeString;
+    Type castType;
 
-    public CheckCastOperator(Type type, String typeString) {
+    public CheckCastOperator(Type type) {
         super(type, 0, 1);
-        this.typeString = typeString;
         /* The following is wrong.  The operand must not
          * be a super type of the given type, but any type
          * especially if type is an interface.
@@ -36,6 +35,7 @@ public class CheckCastOperator extends SimpleOperator {
          *
          * The forgiving solution:
          */
+        castType = type;
         operandTypes[0] = Type.tUnknown;
     }
 
@@ -48,6 +48,6 @@ public class CheckCastOperator extends SimpleOperator {
     }
 
     public String toString(String[] operands) {
-        return "(" + typeString + ")" + operands[0];
+        return "(" + castType.toString() + ")" + operands[0];
     }
 }
diff --git a/jode/jode/expr/InstanceOfOperator.java b/jode/jode/expr/InstanceOfOperator.java
index c5fb338..1ba2879 100644
--- a/jode/jode/expr/InstanceOfOperator.java
+++ b/jode/jode/expr/InstanceOfOperator.java
@@ -20,9 +20,10 @@
 package jode;
 
 public class InstanceOfOperator extends SimpleOperator {
-    String typeString;
 
-    public InstanceOfOperator(Type type, String typeString) {
+    Type instanceType;
+
+    public InstanceOfOperator(Type type) {
         super(Type.tBoolean, 0, 1);
         /* The following is wrong.  The operand must not
          * be a super type of the given type, but any type
@@ -35,8 +36,8 @@ public class InstanceOfOperator extends SimpleOperator {
          *
          * The forgiving solution:
          */
+        this.instanceType = type;
         this.operandTypes[0] = Type.tUnknown;
-        this.typeString = typeString;
     }
     public int getOperandCount() {
         return 1;
@@ -51,6 +52,6 @@ public class InstanceOfOperator extends SimpleOperator {
     }
 
     public String toString(String[] operands) {
-        return operands[0] + " instanceof "+typeString;
+        return operands[0] + " instanceof "+instanceType;
     }
 }
diff --git a/jode/jode/expr/NewOperator.java b/jode/jode/expr/NewOperator.java
index 9130a8b..1fd29b4 100644
--- a/jode/jode/expr/NewOperator.java
+++ b/jode/jode/expr/NewOperator.java
@@ -20,11 +20,8 @@
 package jode;
 
 public class NewOperator extends NoArgOperator {
-    String typeString;
-
-    public NewOperator(Type type, String typeString) {
+    public NewOperator(Type type) {
         super(type);
-        this.typeString = typeString;
     }
 
     public int getPriority() {
@@ -32,6 +29,6 @@ public class NewOperator extends NoArgOperator {
     }
 
     public String toString(String[] operands) {
-        return "new "+typeString;
+        return "new "+type.toString();
     }
 }