成绩输入查询排序(JAVA)

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1、publicclassStudent{publicStringxh;publicintcj;publicStringnum;publicdoublescore;}importjava.awt.*;importjava.awt.event.*;importjava.util.*;publicclassStuextendsFrameimplementsActionListener{privateButtonsr=newButton("成绩输入");privateButtoncx=newButton("成绩查询");

2、privateButtonpx=newButton("成绩排序");privateLabelxh=newLabel("学号");privateLabelchj=newLabel("成绩");privateTextFieldXH=newTextField();privateTextFieldCHJ=newTextField();privateTextAreaxs=newTextArea();publicVectorv=newVector();privateclassWindowCloserextendsWindo

3、wAdapter{publicvoidwindowclosing(WindowEventwe){System.exit(0);}}privatevoidsetup(){Panelbuttons=newPanel();buttons.setLayout(newFlowLayout());buttons.add(sr);buttons.add(cx);buttons.add(px);Panelinput1=newPanel();input1.setLayout(newBorderLayout());input1.a

4、dd("West",xh);input1.add("Center",XH);Panelinput2=newPanel();input2.add("West",chj);input2.add("Center",CHJ);Paneltop=newPanel();top.setLayout(newGridLayout(2,1));top.add(input1);top.add(input2);setLayout(newBorderLayout());add("Center",xs);add("North",top);

5、add("South",buttons);}publicStu(){super("成绩事项");setup();sr.addActionListener(this);cx.addActionListener(this);px.addActionListener(this);addWindowListener(newWindowCloser());pack();setVisible(true);}publicvoidactionPerformed(ActionEvente){if(e.getSource()==s

6、r){xs.append(XH.getText());xs.append(""+CHJ.getText());}}publicvoidsr(){Students=newStudent();s.num=XH.getText();s.score=Double.parseDouble(CHJ.getText());v.add(s);}publicvoidcx(){for(inti=0;;i++){Students=(Student)v.get(i);if(s==null){break;}else{CHJ.setT

7、ext(""+s.score);break;}}}publicvoidpx(){for(inti=0;;i++){intk=i;Students=(Student)v.get(k);for(intj=i+1;;j++){Students1=(Student)v.get(j);if(s.score