我想通过单击按钮更改jpanel背景颜色 [英] i want to change jpanel background color by clicking on buttons

问题描述

我是java的新手，所以朋友们帮助我。我无法得到我想要的东西。

I'm new in java so friends help me. i'm unable to get what i want.

ButtonFrame()
{
  jp=new JPanel();
  btn1=new JButton("Green button");
  btn2=new JButton("Yellow button");
  add(jp);
  setTitle("change background color");
  setSize(400,300);
}
public void actionPerformed(ActionEvent e)
{
  if(e.getSource()==btn1)
   setBackground(new Color(Color.GREEN));
  //same for others
}

推荐答案

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visit this blog to know exactly what u want http://cshotopics.blogspot.in/2014/05/how-to-apply-various-background-colors.html[^]

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