JFrame 报错

报错:

The type JFrame is not accessible due to restriction on required library 

代码:

import javax.swing.*;
public class SimpleGuil {

public static void main(String[] args) {
// TODO Auto-generated method stub
JFrame jf=new JFrame();
}

}

问题描述:

红色字体处报错

我的解决办法:

myeclipse——>project——>properties——>左侧java build path,右侧Libraries——>删除默认的JRE system library——>最右侧Add Library——>第二个选项JRE system library——>选择第三个Workplace default JRE——>点击finishing即可




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