「Java」タグアーカイブ

Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.3.3.RELEASE:run (default-cli) on project moriboot: Execution default-cli of goal org.springframework.boot:spring-boot-maven-plugin:1.3.3.RELEASE:run failed: Unable to find a single main class from the following candidates [com.example.App, com.example.app.Application] -> [Help 1]

Spring-Boot[Error]console
Spring-Boot[Error]

上のようなエラーが出た場合
com.example.Appとcom.example.app.Applicationどっちをmainとして実行していいか分からなくなっているので片方削除してビルドをcleanしてください

もしも一介の芸人がScala,PlayFrameworkに手を付けたら

全く歯が立たない、できない事でもとにかく飛び込んで、ボコボコにやられて、それでも食いさがったり、猛勉強したりして、徐々に理解したり、慣れてゆくってゆう成長の仕方しか知らないわたしは、身の程を知らないアホだからscalaとplayframeworkの理解にとりかかる。強引にやったら分かってくるし脳が後から付いてくるはずそーしてきたいつだって

[java]
pacage jp.co.example.java15;

public class Main {
public static void main(String[] args){
for (int testNumber = 2; testNumber <= 100; testNumber++){
boolean isPrimeNumber = true;//mathtic
for (int i = 2; i < testNumber; i++) {
if(testNumber % i == 0) {
isPrimeNumber = false;
break;
}
}

  if (isPrimeNumber){ //functic
    System.out.println(testNumber);
  }
}

}
}


point
What is code ,what to do
be sure function


watch out valuable
boolean isPrimeNumber
int i
int testNumber

public class Main {
public static void main(String[] args){
for (int testNumber = 2; testNumber <= 100; testNumber++){
if (isPrimeNumber){
System.out.println(testNumber);
}
}
}
private static boolean isPrimeNumber(int testNumber){
for (int i = 2; i < testNumber; i++){
if(testNumber % i == 0){
return false;
}
}
return true;
}
}

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public class Main {
public static void main(String[] args){
for (int testNumber = 2; testNumber <= 100; testNumber++){
boolean isPrimeNumber = isPrimeNumber(testNumber);
if (isPrimeNumber){
System.out.println(testNumber);
}
}
}
private static boolean isPrimeNumber(int testNumber){
for (int i = 2; i < testNumber; i++){
if(testNumber % i == 0){
return false;
}
}
return true;
}
}

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//individaul
public class Main {
public static void main(String[] args){
for (int testNumber = 2; testNumber <= 100; testNumber++){//functic
if (isPrimeNumber(testNumber)){
System.out.println(testNumber);
}
}
}
private static boolean isPrimeNumber(int testNumber){//mathtic
for (int i = 2; i < testNumber; i++){
if(testNumber % i == 0){
return false;
}
}
return true;
}
}

/////////////////////////////
///
///
///
public class Main {
public static void main(String[] args){
//arrange Item
Item pencil = new Item("umi-hb-001","umi HB", "yotsubisienpitsu", "120");
//view Item
System.out.println("item");

//enpitu
System.out.println(&quot;itemCode&quot; + pencil.getCode());
System.out.println(&quot;itemname&quot; + pencil.getName());
System.out.println(&quot;itemmaker&quot; + pencil.getMaker());
System.out.println(&quot;itemPrice&quot; + pencil.getPrice());

}
}

///////////////////////////////
public class Item {
private final String code;
private final String name;
private final String maker;
private final int price;
public Item(String code, String name, String maker, int price){
super();
this.code = code;
this.name = name;
this.maker = maker;
this.price = price;
}
public String getCode(){
return code;
}
public String getName(){
return name;
}
public String getMaker(){
return maker;
}
public String getPrice(){
return price;
}
}
[/java]