- ????JDK :OpenJDK-11
- ?????OS :CentOS 7.6.1810
- ?????IDE :Eclipse 2019?03
- typesetting :Markdown
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package per.jizuiku.gui;
import java.awt.Frame;
/**
* @author 给最苦
* @date 2019/06/30
* @blog www.cnblogs.com/jizuiku
*/
public class Demo {
/**
* @param args
*/
public static void main(String[] args) {
Frame f = new Frame();
f.setSize(400, 400);
// 窗体的大小可以调整吗? 不
f.setResizable(false);
f.setVisible(true);
}
}
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/**
* Sets whether this frame is resizable by the user.
* @param resizable {@code true} if this frame is resizable;
* {@code false} otherwise.
* @see java.awt.Frame#isResizable
*/
public void setResizable(boolean resizable) {
boolean oldResizable = this.resizable;
boolean testvalid = false;
synchronized (this) {
this.resizable = resizable;
FramePeer peer = (FramePeer)this.peer;
if (peer != null) {
peer.setResizable(resizable);
testvalid = true;
}
}
// On some platforms, changing the resizable state affects
// the insets of the Frame. If we could, we'd call invalidate()
// from the peer, but we need to guarantee that we're not holding
// the Frame lock when we call invalidate().
if (testvalid) {
invalidateIfValid();
}
firePropertyChange("resizable", oldResizable, resizable);
}
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感谢帮助过 给最苦 的人们。
Java、Groovy和Scala等基于JVM的语言,优秀,值得学习。
规范的命名和代码格式等,有助于沟通和理解。
JVM的配置、监控与优化,比较实用,值得学习。
原文:https://www.cnblogs.com/jizuiku/p/11110225.html