import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
@Override
public void setGroup(DatasetGroup group) {
    if (group == null) {
        throw new IllegalArgumentException("Null 'group' argument.");
    }
    this.group = group;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
/**
 * Returns the dataset group.
 *
 * @return The dataset group.
 */
@Override
public DatasetGroup getGroup() {
    // unused but must return something, so while we are at it...
    return this.delegateSet.getGroup();
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public DatasetGroup getGroup() {
    return null;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public void setGroup(DatasetGroup arg0) {
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
@Override
public DatasetGroup getGroup() {
    return null;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
@Override
public DatasetGroup getGroup() {
    return group;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public DatasetGroup getGroup() {
    return dg;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public void setGroup(DatasetGroup group) {
    dg = group;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
@Override
public void setGroup(DatasetGroup dg) {
    this.group = dg;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public DatasetGroup getGroup()
{
  // TODO Auto-generated method stub
  return null;
}
 

import org.jfree.data.general.DatasetGroup; //导入依赖的package包/类
public void setGroup(DatasetGroup group)
{
  // TODO Auto-generated method stub
  
}