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weknow619:
详解Spring中Bean的加载(二)链接:http://ww ...
【Spring】详解Spring中Bean的加载 -
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【Java每日一题】20170329 -
weknow619:
xiaoyu1985ban 写道编译无法通过。The fina ...
【Java每日一题】20170221 -
xiaoyu1985ban:
编译无法通过。The final local variable ...
【Java每日一题】20170221 -
ericchunli:
world cello
【Java每日一题】20170210
文章列表
20161209问题解析请点击今日问题下方的“【Java每日一题】20161212”查看
package Dec2016;
public class Ques1212 {
public static void main(String[] args){
System.out.println(10.00-9.60);
}
}
今日问题:
请问主程序中输出结果是什么?(点击以下“【Java每日一题】20161212”查看20161209问题解析)
题目原发布于公众号、简书:【Java每日一题】20161212,【Java每日一题】201612 ...
20161208问题解析请点击今日问题下方的“【Java每日一题】20161209”查看
package Dec2016;
public class Ques1209 {
public static void main(String[] args){
People g = new People("张三"); // 定义监护人
People p1 = new People("儿子1", g);
People p2 = p1.clone(); // 儿子2的信息通过拷贝儿子1来的 ...
20161207问题解析请点击今日问题下方的“【Java每日一题】20161208”查看
package Dec2016;
import java.util.List;
public class Ques1208 {
public static void add(List<? extends Number> list){
// 加入一个元素
list.add(123);
}
}
今日问题:
请问主程序能否正常运行输出结果?(点击以下“【Java每日一题】20161208”查看20161207问 ...
20161206问题解析请点击今日问题下方的“【Java每日一题】20161207”查看
package Dec2016;
public class Ques1207 {
public static void main(String[] args) {
new Test();
new Test(1);
new Test("1");
System.out.println("实例数量为:"+Test.getNumOfInstances());
}
}
...
20161205问题解析请点击今日问题下方的“【Java每日一题】20161206”查看
package Dec2016;
public class Ques1206 {
public static void main(String[] args){
doSex(null);
}
public static void doSex(Sex sex){
switch (sex) {
case Boy:
System.out.println("男的");
...
20161202问题解析请点击今日问题下方的“【Java每日一题】20161205”查看
package Dec2016;
import java.util.HashSet;
public class Ques1205 {
public static void main(String[] args){
StringBuffer sb1 = new StringBuffer("123");
StringBuffer sb2 = new StringBuffer("123");
...
20161201问题解析请点击今日问题下方的“【Java每日一题】20161202”查看
package Dec2016;
public class Ques1202 {
public static void main(String[] args) {
int num = 127; // 如果是128呢
Integer n1 = new Integer(num);
Integer n2 = new Integer(num);
System.out.println("new产生的对象: ...
20161130问题解析请点击今日问题下方的“【Java每日一题】20161201”查看
package Dec2016;
public class Ques1201 {
public static void main(String[] args) {
new Ques1201().sum(1, 2);
}
public void sum(int num1, int num2){
int temp = num1 + num2;
System.out.println("没使用变长参数计 ...
20161129问题解析请点击今日问题下方的“【Java每日一题】20161130”查看
package Nov2016;
public class Ques1130 {
public static void main(String[] args) {
int i = 1;
Ques1130.test(i);
Ques1130.test(Integer.valueOf(i));
}
public static void test(long n){
System.out.pri ...
20161128问题解析请点击今日问题下方的“【Java每日一题】20161129”查看
package Nov2016;
public class Ques1129 {
public static void main(String[] args) {
final String str = "123";
str = "1234";
System.out.println(str);
final StringBuffer sb = new StringBu ...
20161125问题解析请点击今日问题下方的“【Java每日一题】20161128”查看
package Nov2016;
import java.util.ArrayList;
import java.util.List;
public class Ques1128 {
public static void main(String[] args) {
List<Integer> list = new ArrayList<>();
list.add(1);
list.add(2);
...
20161124问题解析请点击今日问题下方的“【Java每日一题】20161125”查看
package Nov2016;
import java.util.LinkedList;
import java.util.List;
public class Ques1125 {
public static void main(String[] args){
List list01 = new LinkedList();
List list02 = new LinkedList(){};
List list03 = new Lin ...
20161123问题解析请点击今日问题下方的“【Java每日一题】20161124”查看
package Nov2016;
public class Ques1124 {
public static void main(String[] args) {
Parent p = new Sub();
p.staticMethod();
p.instanceMethod();
}
}
class Parent{
public static void staticMethod(){
...
20161122问题解析请点击今日问题下方的“【Java每日一题】20161123”查看
package Nov2016;
import java.util.Scanner;
public class Ques1123 {
public static void main(String[] args) {
Scanner num = new Scanner(System.in);
System.out.print("请输入数量:");
while(num.hasNextInt()){
...
20161121问题解析请点击今日问题下方的“【Java每日一题】20161122”查看
package Nov2016;
import java.util.ArrayList;
import java.util.Iterator;
public class Ques1122 {
public static void main(String[] args){
ArrayList<Student> students = new ArrayList<Student>();
students.add(new Studen ...