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详解Spring中Bean的加载(二)链接:http://ww ...
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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
20161118问题解析请点击今日问题下方的“【Java每日一题】20161121”查看
package Nov2016.use01;
class Test {
public String getString(){
return "123";
}
}
package Nov2016;
import Nov2016.use01.Test;
public class Ques1121 {
public static void main(String[] args) {
Te ...
20161117问题解析请点击今日问题下方的“【Java每日一题】20161118”查看
package Nov2016;
public class Ques1118 {
public static final int NUM = 10000000;
public static void main(String[] args) {
long result = NUM * 100 * 20;
System.out.println("结果:"+result);
}
}
今日问题:
请问主程序输出结果是什么?(点击以下“【Java ...
20161116问题解析请点击今日问题下方的“【Java每日一题】20161117”查看
package Nov2016;
public class Ques1117 {
public static void main(String[] args) {
Sub sub = new Sub();
sub.doThing();
}
}
class Parent{
Parent(){
new Other();
}
}
class Sub extends Parent{
...
20161115问题解析请点击今日问题下方的“【Java每日一题】20161116”查看
package Nov2016;
public class Ques1116 {
public static void main(String[] args){
System.out.println("常量是"+Const.NUM);
}
}
另一个文件中的常量类:
public class Const{
public final static int NUM = 110;
}
今日问题:
使用命令行工具编译运行后 ...
20161114问题解析请点击今日问题下方的“【Java每日一题】20161115”查看
package Nov2016;
import java.io.Serializable;
public class Ques1115 implements Serializable{
private static final long serialVersionUID = 1L;
public final int num = init(); // 通过方法赋值
public int init(){
return 123;
...
20161111问题解析请点击今日问题下方的“【Java每日一题】20161114”查看
package Nov2016;
import java.io.Serializable;
// V1.0版
public class Ques1114 implements Serializable{
private static final long serialVersionUID = 1L;
public final int num;
public Ques1114(){
num = 123;
}
}
...
20161110问题解析请点击今日问题下方的“【Java每日一题】20161111”查看
package Nov2016;
import java.io.Serializable;
public class Ques1111 implements Serializable{
private static final long serialVersionUID=1L;
public final int num = 123;
}
今日问题:
请问如果将Ques1111序列化后存储到磁盘中,反序列化时将num属性修改为321,那么反序列化后对象的num值是多少? ...
20161109问题解析请点击今日问题下方的“【Java每日一题】20161110”查看
package Nov2016;
import java.util.HashSet;
public class Ques1110 {
public static void main(String[] args){
String str1 = "123";
String str2 = "123";
String str3 = new String("123");
...
20161108问题解析请点击今日问题下方的“【Java每日一题】20161109”查看
package Nov2016;
import java.lang.reflect.Method;
public class Ques1109 {
public static void main(String[] args) throws Exception {
String methodName = "testMethod";
Method method01 = Test.class.getMethod(methodN ...
20161107问题解析请点击今日问题下方的“【Java每日一题】20161108”查看
package Nov2016;
import java.util.TreeSet;
public class Ques1108 {
public static void main(String[] args){
Animal dog = new Animal("dog");
Animal cat = new Animal("cat");
TreeSet<Animal> ...
20161104问题解析请点击今日问题下方的“【Java每日一题】20161107”查看
package Nov2016;
import java.util.List;
public class Ques1107 {
public static void main(String[] args) {
List<String>[] list = new List<String>[];
}
}
今日问题:
请问主程序能否正常编译通过?(点击以下“【Java每日一题】20161107”查看20161104问题解析)
...
20161103问题解析请点击今日问题下方的“【Java每日一题】20161104”查看
package Nov2016;
public class Ques1104 {
private String num;
public void setNum(String num){
num = num; // 1
this.num = num; // 2
}
public String getNum(){
return num;
}
}
今日问题:
注释1和2两处 ...
20161102问题解析请点击今日问题下方的“【Java每日一题】20161103”查看
package Nov2016;
import java.util.List;
public class Ques1103 {
public void method01(String[] array){}
public void method01(Integer[] array){}
public void method02(List<String> list){}
public void method02(Li ...
20161101问题解析请点击今日问题下方的“【Java每日一题】20161102”查看
package Nov2016;
public class Ques1102 implements Parent{
@Override
public void method() {
}
}
interface Parent{
public void method();
}
今日问题:
请问主程序能否正常编译通过??(点击以下“【Java每日一题】20161102”查看20161101问题解析)
题目原 ...
20161031问题解析请点击今日问题下方的“【Java每日一题】20161101”查看
package Nov2016;
import java.util.HashMap;
import java.util.Map;
public class Ques1101 {
public static void main(String[] args) {
HashMap<Integer, Integer> map = new HashMap<Integer, Integer>();
for (int i ...