?? jpgfilter.java
字號(hào):
package grapro;import javax.swing.filechooser.*;import java.io.File;public class JPGFilter extends FileFilter { public JPGFilter() { } public boolean accept (File f) { boolean acc = f.isDirectory(); if (!acc) { String suffix = getSuffix(f); if (suffix != null) acc = suffix.equals("jpg"); } return acc; } public String getDescription() { return "JPG Files (*.jpg)"; } public String getSuffix (File f) { String s = f.getPath(); String suffix = null; int i = s.lastIndexOf('.'); suffix = s.substring(i+1).toLowerCase(); return suffix; }}
?? 快捷鍵說(shuō)明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -