Java: Remove a field from class

Follow below steps to remove a field from class.

Step 1: Get ClassPool instance.

ClassPool classPool = ClassPool.getDefault();

Step 2: Get CtClass instance.

CtClass pointClass = classPool.get("com.sample.app.model.Point");

Step 3: Get CtField instance that refer to the field that we want to delete.

CtField toBeDeleted = pointClass.getField("x");

Step 4: Remove the field.

pointClass.removeField(toBeDeleted);

Step 5: Publish modified byte code

pointClass.toClass();

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