张玉龙
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最新评论
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李科笠：
这款编辑器，能够保存从word中复制的图片么？
CKEditor3.x的介绍和使用 -
sybell：
讲得好，但得试一下有没有错。
Mysql 中获取刚插入的自增长id的值 -
zqb666kkk：
nice 很好的启发
spring的jdbcTemplate 返回值为list -
nizen：
不错，有用！
Mysql 中获取刚插入的自增长id的值 -
MEZboy：
真全面，感谢分享！
Radio单选框OnClick事件的设置[网络收集]
文章列表
package com.zyl;
public class ToStringTest {
/*toString()方法返回对象的字符串表示；
也就是当打印输出一个对象时，系统自动调用其toString方法，打印的是toString方法的返回值。
如：*/
int x = 0;
int y = 0;
public String toString()
{
return "("+x+","+y+")";
}
public static void main(String[ ...
public class multiplicationTable{
long n;
public void mul(long n){
for(long i=1;i<n;i++){
System.out.print("\n");
for(long j=1;j<i+1;j++){
System.out.print( i+"*"+j+"="+i*j+" " );
}
}
}
public static void main(St ...
public class Shape{
private String name;
protected double area;
public Shape(String name){
this.name=name;
}
public String getName(){
return this.name;
}
public double countArea(){
return 0.0;
}
}
class Rectangle extends Shape{
...
package com.zyl;
public class GetterAndSetter{
String abc="Hello world";
public String getAbc() {
return abc;
}
public void setAbc(String abc) {
this.abc = abc;
}
public static void main(String[] args) {
GetterAndSetter aaa=new GetterAndSetter();
aaa.a ...
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; chars ...
package com.zyl;
public class ArithmeticDemo{
public int devide(int a,int b){
//if(b==0)
//throw new ArithmeticException("b不能为0");
return a/b;
}
public double devide(double a,double b){
// if(b==0)
// throw new ArithmeticException("b不能为0D");
/ ...
//Java 用bufferReader 读取控制台输出的内容，并转换成整形，定义异常
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class BufferReader {
public static void main(String[] args) throws NumberFormatException, IOException {
BufferedReader input = new BufferedR ...
ThisTest.java
public class ThisTest {
String s = "Hello";
public Hello(String s)
{
System.out.println("s = " + s);
System.out.println("1 -> this.s = " + this.s);
this.s = s;
System.out.println("2 -> this.s = " + this.s);
}
public ...
package com.zyl;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
public class HashSetTest {
public static void main(String[] args){
Student stu1 = new Student("zyl",32,100.0);
Student stu2 = new Student("张玉龙",22,59.9); ...
import java.io.FileReader;
import java.util.ArrayList;
import java.util.List;
public class ReadFile {
public static void main(String[] args) throws Exception {
FileReader fr = new FileReader("D:\\info.txt");
int read;
String str = "";
List<Student> ...
JDBCServlet.java
package com.zyl.servlet;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.sql.*;
public class JDBCServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws Ser ...
MessageServer.java
package com.zyl;
import java.net.*;
import java.io.*;
/**
* 在10000端口下监听 网路上的应用程序连接 并发送字符串信息到网路客户端程序
*/
public class MessageServer {
public static void main(String[] args) throws Exception {
// ...
Student.java
package com.zyl;
public class Student implements Comparable<Student>{
private Long studentId;
private String name;
public Student(){
}
public Student(Long studentId,String name) {
this.studentId=studentId;
this.name = name;
}
public Long getStudentId() ...
Gen.java
package com.zyl;
public class Gen<T> {
private T ob; // 定义泛型成员变量
public Gen(T ob) {
this.ob = ob;
}
public T getOb() {
return ob;
}
/*public void setOb(T ob) {
this.ob = ob;
}*/
public void showType() {
System.out.println("T的实际类型是: " ...
testA.jsp
<html>
<head>
<title>示例</title>
</head>
<body >
<form method="post" action="testB.jsp" >
<input type="text" name="yourName" >
<input type="button"value="提交" onCl ...