java上机

1-1public class applicationinout1{public static void main(String[] args){ new FrameInOut();}}class Framinout extends Fram implements ActionListener{ Label prompt;TextFild input,out;framInOut(){super("program");prompt = new Lebel("please input:");input = new TextField(6);output = new TextField(20);add(prompt);add(input);add(output);setlayout(new FlowLayout());input.addActionListener(this);setBackground(Color.red);setSize(300,200);setVisible(true);}public void actionperformed(ActionEvent e){output.setText(input.getText)+"欢迎你");}1-2import java.io.*;public class ApplicationCharInOut{public static void main(string args[]){char c = '';System.out.printIn("enter a character :");try{c = (char)System.in.read();}catch(IOException e){}System.out.printIn("you are entered character" + c);}}2-1import java.awt.*;import java.awt.event.*;//包public class AppletInOut1{public static void main(String[] args){new FrameInOut();}}class FrameInOut extends Frame implements ActionListener//接口,舰听对文本矿{Label prompt;//INT ATextField input,output;Button btn;FrameInOut(){super("program/欢迎你");//调用副类函数prompt = new Label("please input:");//初始化input = new TextField(6);output = new TextField(20);btn = new Button("关闭");setLayout(new FlowLayout());//流失布局add(prompt);//ADD添加P,I,Oadd(input);add(output); add(btu);input.addActionListener(this);//对文本框当前界面见听setBackground(Color.red);setSize(300,200);setVisible(true);}public void actionPerformed(ActionEvent e){output.setText(input.getText() + "欢迎你！");}}2-2public void actionPerformed(ActionEvent e)//执行文件{if(e.getsource()==but-add){int a=Integer.parseInt(input.gettext());int b=Integer.parseInt(input-1.gettext());int c=a+b;output.settext(integer.tostring(c));}else {system.exit(0);}output.setText(input.getText() + "欢迎你！");}}2-3TextField input,input-1,output;Button btn,btn-add;inpur-1=new textfild(5);setLayout(new FlowLayout());btn-add = new Button（+）;btu = new Button(关闭');add(btu);add(input-1);add(btu-add);addWindowListener(btn-add)public void actionPerformed(ActionEvent e){output.setText(input.getText() + "欢迎你！");}}public void actionPerformed(ActionEvent e){if(e.getsource()==but-add){int a=Integer.parseInt(input.gettext());int b=Integer.parseInt(input-1.gettext());int c=a+b;output.settext(integer.tostring(c));错误提示：Error : Invalid path, \bin\java.exe -Xdebug -Xnoagent -Xrunjdwp:transport=dt_socket,server=n,suspend=y,address=127.0.0.1:9000,piler=NONE -classpath D:\oop ApplicationCharInOutProcess completed.Failed to establish a connection with the target VMError accepting socket connection (code = 10038)3-1import java.awt.*;import java.awt.event.*;public class AppletInOut4{public static void main(String[] args){new FrameInOut();}}class FrameInOut extends Frame implements ActionListener {Label prompt;TextArea output;TextField input,input_1,output;Button btn,btn_1;FrameInOut(){super("program4");prompt = new Label("please input:");input = new TextField(6);input_1 = new TextField(6);output = new TextArea(5,30);setLayout(new FlowLayout());btn_1 = new Button("add");btn = new Button("Close");add(prompt);add(input);add(input_1);add(output);add(btn_1);add(btn);input.addActionListener(this);btn.addActionListener(this);btn_1.addActionListener(this);Wa wa = new Wa();addWindowListener(wa);setBackground(Color.red);setSize(300,200);setVisible(true);}class Wa extends WindowAdapter{public void windowClosing(WindowEvent arg0) {System.exit(0);}}public void actionPerformed(ActionEvent e){if(e.getSource() == btn_1){int a = Integer.parseInt(input.getText());int b = Integer.parseInt(input_1.getText());int c = a+b;output.setText(Integer.toString(c)); }else{dispose();System.exit(0);}}}作业：3-2 import java.io.*;public class Test{public static void main(String args[]){int i=0;float a=0;float w=0;String s;try{Systerm.out.println("输入一个浮点数: ");BufferedReader br=new BufferedReader(new InputStreamReader(System.in));s=br.readLine();a=Float.parseFloat(s);i=(int)a;w=a-i;}catch(IOException e){}System.out.println("整数部分: " + i);System.out.println("小数部分: " + w);}}作业:4-1/**打包;类包,提出趁程序.* @(#)TestFrame.java*** @author* @version 1.00 2011/9/27*/import xaut.GS.XG.FrameInOut;public class TestFrame {/*** Creates a new instance of <code>TestFrame</code>.*/public TestFrame() {}/*** @param args the command line arguments*/public static void main(String[] args) {// TODO code application logic hereFrameInOut fi = new FrameInOut();}}类包package xaut.GS.XG;import java.awt.*;import java.awt.event.*;public class FrameInOut extends Frame implements ActionListener {Label prompt;TextField input,input_1,output;Button btn,btn_1;public FrameInOut(){super("program4");prompt = new Label("please input:");input = new TextField(6);input_1 = new TextField(6);output = new TextField(20);setLayout(new FlowLayout());btn_1 = new Button("add");btn = new Button("Close");add(prompt);add(input);add(input_1);add(output);add(btn_1);add(btn);input.addActionListener(this);btn.addActionListener(this);btn_1.addActionListener(this);Wa wa = new Wa();addWindowListener(wa);setBackground(Color.red);setSize(300,200);setVisible(true);}class Wa extends WindowAdapter{public void windowClosing(WindowEvent arg0) {System.exit(0);}}public void actionPerformed(ActionEvent e){if(e.getSource() == btn_1){int a = Integer.parseInt(input.getText());int b = Integer.parseInt(input_1.getText());int c = a+b;output.setText(Integer.toString(c)); }else{dispose();System.exit(0);}}}package xaut.GS.XG.ft;import java.awt.*;import java.awt.event.*;public class Wa {class Wa extends WindowAdapter{public void windowClosing(WindowEvent arg0) {System.exit(0);}}}public class Testfhonecard {public Testfhonecard() {}public static void main(String[] args) {Testfhonecard p1=new Testfhonecard();Testfhonecard p2=new Testfhonecard(1235,323,123,false,"222");p1.performConnection(123,34);p2.performConnection(123,34);System.out.println("p1"+p1.balance);System.out.println("p2"+p2.getBalance());// TODO code application logic here }}5-1public class Test {public Test() {}public static void main(String[] args) {Person person=newPerson();person.sayHello();Cat cat=new Cat();System.out.println(cat.sayHello());}}5-2public class Cat extends Animal{String sayHello(){System.out.println("hi");return sayHello();}}5-3public class Person extends Animal{public Person() {}String sayHello(){System.out.println("hello");return sayHello();}}6-1public class Test {public Test() {}public static void main(String[] args) {Number_PhoneCard1 n1=new Number_PhoneCard1();System.out.println("---------");D200_Card d1= new D200_Card(1231,342,1.0);System.out.println("----------");System.out.println(n1.sayHello());System.out.println(d1.sayHello());System.out.println("-----------");Number_PhoneCard1 n2=new D200_Card();System.out.println(n2.sayHello());}}6-2public class Number_PhoneCard1 {long cardNumber;int password;double balance;String connectNumber;public Number_PhoneCard1() {System.out.println(("空构造函数"));}Number_PhoneCard1(long cn){cardNumber = cn;System.out.println(("1构造函数"));}Number_PhoneCard1(long cn,int pw){cardNumber = cn;password = pw;System.out.println(("2空构造函数"));}Number_PhoneCard1(long cn,int pw,double b){cardNumber = cn;password = pw;balance = b;System.out.println(("3空构造函数"));}Number_PhoneCard1(long cn,int pw,double b,String c) {cardNumber = cn;password = pw;balance = b;connectNumber = c;System.out.println(("4构造函数"));}String sayHello(){return"father";}}class D200_Card extends Number_PhoneCard1 {double additoryFee;D200_Card(){System.out.println(("double空构造函数"));}D200_Card(double additoryFee){this.additoryFee = additoryFee;System.out.println(("200 double空构造函数"));}D200_Card(long cn,int pw,double additoryFee){super(cn,pw);this.additoryFee = additoryFee;System.out.println(("200 3空构造函数"));}String sayHello(){return"child";}}public class ComplexNumber {double m-dRealPart;double m-dImaginPart;public ComplexNumber( ){System.out.println(("m-dRealPart=0,m-dImaginPart=0空构造函数"));}ComplexNumber(double r, double i){m-dRealPart=r;m-dImaginPart=i;}getRealPart( ){return"r";}getImaginaryPart( ){return"i";}setRealPart(double d){m-dRealPart=d;}setImaginaryPart(double d){m-dImaginPart=d;}complexAdd(ComplexNumber c){//当前复数对象与形参复数对象相加，所得的结果也是复数值，返回给此方法的调用者。